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Humans evolved to share beds – how your sleeping companions may affect you now

<p><em><a href="https://theconversation.com/profiles/goffredina-spano-2240566">Goffredina Spanò</a>, <a href="https://theconversation.com/institutions/kingston-university-949">Kingston University</a> and <a href="https://theconversation.com/profiles/gina-mason-2240569">Gina Mason</a>, <a href="https://theconversation.com/institutions/brown-university-1276">Brown University</a></em></p> <p><a href="https://www.cell.com/trends/ecology-evolution/fulltext/S0169-5347(24)00176-9">Recent research</a> on animal sleep behaviour has revealed that sleep is influenced by the animals around them. Olive baboons, for instance, sleep less as group sizes increase, while mice can synchronise their rapid eye movement (REM) cycles.</p> <p>In western society, many people expect to sleep alone, if not with a romantic partner. But as with other group-living animals, human co-sleeping is common, despite some <a href="https://www.sciencedirect.com/science/article/abs/pii/S1389945710000377">cultural</a> and <a href="https://www.sciencedirect.com/science/article/abs/pii/S2352721820303053?via%3Dihub">age-related variation</a>. And in many cultures, bedsharing with a relative is considered typical.</p> <p>Apart from <a href="https://www.sciencedirect.com/science/article/abs/pii/S1389945710000377">western countries</a>, caregiver-infant co-sleeping is common, with rates as high as <a href="https://www.sciencedirect.com/science/article/abs/pii/S1087079216000265">60-100%</a> in parts of South America, Asia and Africa.</p> <p>Despite its prevalence, infant co-sleeping is controversial. Some western perspectives, that value self-reliance, argue that sleeping alone promotes self-soothing when the baby wakes in the night. But <a href="https://www.tandfonline.com/doi/abs/10.1080/00221325.2021.1905599">evolutionary scientists argue</a> that co-sleeping has been important to help keep infants warm and safe throughout human existence.</p> <p><a href="https://www.sleephealthjournal.org/article/S2352-7218(22)00077-8/abstract">Many cultures</a> do not expect babies to self-soothe when they wake in the night and see night wakings as a normal part of breastfeeding <a href="https://www.sciencedirect.com/science/article/pii/S1389945713002220?via%3Dihub">and development</a>.</p> <p>Concerns about Sudden Infant Death Syndrome (Sids) have often led paediatricians to discourage bed-sharing. However, when studies control for <a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0107799">other Sids risk factors</a> including unsafe sleeping surfaces, Sids risk does not seem to differ statistically between co-sleeping and solitary sleeping infants.</p> <p>This may be one reason why agencies such as the <a href="https://publications.aap.org/pediatrics/article/150/1/e2022057990/188304/Sleep-Related-Infant-Deaths-Updated-2022?autologincheck=redirected">American Academy of Pediatrics</a>, the <a href="https://www.nice.org.uk/guidance/qs37/chapter/Quality-statement-5-Safer-practices-for-bed-sharing">National Institute for Health and Care Excellence</a> and the <a href="https://www.nhs.uk/conditions/baby/caring-for-a-newborn/reduce-the-risk-of-sudden-infant-death-syndrome/">NHS</a> either <a href="https://publications.aap.org/pediatrics/article/150/1/e2022057990/188304/Sleep-Related-Infant-Deaths-Updated-2022">recommend that</a> infants “sleep in the parents’ room, close to the parents’ bed, but on a separate surface,” or, if bedsharing, to make sure that the infant <a href="https://www.nice.org.uk/guidance/qs37/chapter/Quality-statement-5-Safer-practices-for-bed-sharing">“sleeps on a firm, flat mattress”</a> without pillows and duvets, rather than discouraging co-sleeping altogether.</p> <p>Researchers don’t yet know whether co-sleeping causes differences in sleep or, whether co-sleeping happens because of these differences. However, experiments in the 1990s suggested that co-sleeping can <a href="https://onlinelibrary.wiley.com/doi/10.1002/ajpa.20736">encourage more sustained and frequent bouts of breastfeeding</a>. Using sensors to measure brain activity, this research also suggested that infants’ and caregivers’ sleep may be lighter during co-sleeping. But researchers speculated that this lighter sleep may actually <a href="https://www.tandfonline.com/doi/full/10.1080/00221325.2021.1905599">help protect against Sids</a> by providing infants more opportunities to rouse from sleep and develop better control over their respiratory system.</p> <p>Other advocates believe that co-sleeping <a href="https://www.sciencedirect.com/science/article/abs/pii/S0163638319301237">benefits infants’ emotional and mental health</a> by promoting parent-child bonding and aiding infants’ <a href="https://www.tandfonline.com/doi/full/10.3109/10253890.2012.742057">stress hormone regulation</a>. However, current data is inconclusive, with most studies showing <a href="https://www.sciencedirect.com/science/article/abs/pii/S0163638319301249?via%3Dihub">mixed findings</a> or <a href="https://www.tandfonline.com/doi/full/10.1080/14616734.2024.2380427">no differences</a> between co-sleepers and solitary sleepers with respect to short and long-term mental health.</p> <h2>Co-sleeping in childhood</h2> <p>Childhood co-sleeping past infancy is also fairly common according to <a href="https://www.sciencedirect.com/science/article/abs/pii/S1389945713011076?via%3Dihub">worldwide surveys</a>. A <a href="https://publications.aap.org/pediatrics/article-abstract/126/5/e1119/65347/Relationship-Between-Bed-Sharing-and-Breastfeeding">2010 survey</a> of over 7,000 UK families found 6% of children were constant bedsharers up to at least four years old.</p> <p>Some families adopt co-sleeping <a href="https://capmh.biomedcentral.com/articles/10.1186/s13034-023-00607-w">in response to</a> their child having trouble sleeping. But child-parent bedsharing in many countries, including some western countries <a href="https://onlinelibrary.wiley.com/doi/10.1111/j.1471-6712.2005.00358.x">like Sweden</a> where children often co-sleep with parents until school age, is viewed culturally as part of a nurturing environment.</p> <p>It is also common for siblings to share a room or even a bed. A <a href="https://www.tandfonline.com/doi/full/10.1080/00221325.2021.1916732">2021 US study</a> found that over 36% of young children aged three to five years bedshared in some form overnight, whether with caregivers, siblings, pets or some combination. Co-sleeping decreases but is still present among older children, with up to <a href="https://onlinelibrary.wiley.com/doi/10.1111/fare.12955">13.8% of co-sleeping parents</a> in Australia, the UK and other countries reporting that their child was between five and 12 years old when they engaged in co-sleeping.</p> <p>Two recent US studies using wrist-worn actigraphs (motion sensors) to track sleep indicated that kids who bedshare may have <a href="https://jcsm.aasm.org/doi/10.5664/jcsm.11352">shorter sleep durations</a> than children who sleep alone. But this shorter sleep duration <a href="https://www.tandfonline.com/doi/full/10.1080/00221325.2021.1916732">is not explained by</a> greater disruption during sleep. Instead, bedsharing children may lose sleep by <a href="https://www.tandfonline.com/doi/full/10.1080/00221325.2021.1916732">going to bed later than</a> solitary sleepers.</p> <p>The benefits and downsides of co-sleeping may also differ in children with conditions such as <a href="https://www.sciencedirect.com/science/article/abs/pii/S1389945717303842">autism spectrum disorder</a>, <a href="https://link.springer.com/article/10.1007/s10802-017-0387-1">mental health disorders</a> and <a href="https://onlinelibrary.wiley.com/doi/10.1111/dmcn.13300">chronic illnesses</a>. These children may experience heightened anxiety, sensory sensitivities and physical discomfort that make falling and staying asleep difficult. For them, co-sleeping can provide <a href="https://link.springer.com/article/10.1007/s11325-018-1710-y">reassurance</a>.</p> <h2>Adults sharing beds</h2> <p>According to <a href="https://www.sleepfoundation.org/wp-content/uploads/2018/10/NSF_Bedroom_Poll_Report_1.pdf">a 2018 survey</a> from the US National Sleep Foundation, 80-89% of adults who live with their significant other share a bed with them. Adult bedsharing has shifted over time from pre-industrial <a href="https://academic.oup.com/ahr/article-abstract/106/2/343/64370?redirectedFrom=fulltext">communal arrangements</a>, including whole families and other household guests, to <a href="https://academic.oup.com/jdh/article-abstract/23/3/275/359439?redirectedFrom=fulltext">solo sleeping</a> in response to hygiene concerns as germ theory became accepted.</p> <p>Many couples find that bedsharing boosts their <a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC1978364/">sense of closeness</a>. Research shows that bedsharing with your partner can lead to <a href="https://onlinelibrary.wiley.com/doi/10.1155/2017/8140672">longer sleep times</a> and a <a href="https://academic.oup.com/sleep/article-abstract/17/4/308/2753131">feeling of better sleep</a> overall.</p> <p>Bedsharing couples also often <a href="https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2020.00583/full">get into sync</a> with each other’s sleep stages, which can enhance that feeling of intimacy. However, it’s not all rosy. Some studies indicate that females in heterosexual relationships may struggle more with sleep quality when bedsharing, as they can be <a href="https://link.springer.com/article/10.1111/j.1479-8425.2007.00320.x">more easily disturbed</a> by their male partner’s movements. Also, bedsharers can have less <a href="https://pubmed.ncbi.nlm.nih.gov/27624285/">deep sleep</a> than when sleeping alone, even though they feel like their sleep is better together.</p> <p>Many questions about co-sleeping remain unanswered. For instance, we don’t fully understand the developmental effects of co-sleeping on children, or the benefits of co-sleeping for adults beyond female-male romantic partners. But, some work suggests that co-sleeping can <a href="https://link.springer.com/article/10.1007/s11325-018-1710-y">comfort us</a>, similar to other <a href="https://onlinelibrary.wiley.com/doi/full/10.1111/jsr.14174">forms of social contact</a>, and help to enhance <a href="https://onlinelibrary.wiley.com/doi/10.1002/ajpa.20736">physical synchrony</a> between parents and children.</p> <p>Co-sleeping doesn’t have a one-size-fits-all answer. But remember that western norms aren’t necessarily the ones we have evolved with. So consider factors such as <a href="https://www.sciencedirect.com/science/article/abs/pii/S1389945716301265">sleep disorders</a>, health and age in your decision to co-sleep, rather than what everyone else is doing.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/241803/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><em><a href="https://theconversation.com/profiles/goffredina-spano-2240566">Goffredina Spanò</a>, Lecturer in Developmental Cognitive Neuroscience, <a href="https://theconversation.com/institutions/kingston-university-949">Kingston University</a> and <a href="https://theconversation.com/profiles/gina-mason-2240569">Gina Mason</a>, Postdoctoral Research Fellow in Psychiatry and Human Behaviour, <a href="https://theconversation.com/institutions/brown-university-1276">Brown University</a></em></p> <p><em>Image </em><em>credits: Shutterstock </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/humans-evolved-to-share-beds-how-your-sleeping-companions-may-affect-you-now-241803">original article</a>.</em></p>

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Humanising AI could lead us to dehumanise ourselves

<p><em><a href="https://theconversation.com/profiles/raffaele-f-ciriello-1079723">Raffaele F Ciriello</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a> and <a href="https://theconversation.com/profiles/angelina-ying-chen-2230113">Angelina Ying Chen</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a></em></p> <p>Irish writer John Connolly <a href="https://www.goodreads.com/quotes/3147986-the-nature-of-humanity-its-essence-is-to-feel-another-s">once said</a>: "The nature of humanity, its essence, is to feel another’s pain as one’s own, and to act to take that pain away."</p> <p>For most of our history, we believed empathy was a uniquely human trait – a special ability that set us apart from machines and other animals. But this belief is now being challenged.</p> <p>As AI becomes a bigger part of our lives, entering even our most intimate spheres, we’re faced with a philosophical conundrum: could attributing human qualities to AI diminish our own human essence? Our <a href="https://www.researchgate.net/publication/375086411_Feels_Like_Empathy_How_Emotional_AI_Challenges_Human_Essence">research</a> suggests it can.</p> <h2>Digitising companionship</h2> <p>In recent years, AI “companion” apps such as Replika have attracted millions of users. Replika allows users to create custom digital partners to engage in intimate conversations. Members who pay for <a href="https://help.replika.com/hc/en-us/articles/360032500052-What-is-Replika-Pro#:%7E:text=Replika%20Pro%20gives%20you%20access,relationship%20status%20to%20Romantic%20Partner.">Replika Pro</a> can even turn their AI into a “romantic partner”.</p> <p>Physical AI companions aren’t far behind. Companies such as JoyLoveDolls are selling <a href="https://www.joylovedolls.com/collections/sex-robots">interactive sex robots</a> with customisable features including breast size, ethnicity, movement and AI responses such as moaning and flirting.</p> <p>While this is currently a niche market, history suggests today’s digital trends will become tomorrow’s global norms. With about <a href="https://www.statista.com/chart/31243/respondents-who-feel-fairly-or-very-lonely/">one in four</a> adults experiencing loneliness, the demand for AI companions will grow.</p> <h2>The dangers of humanising AI</h2> <p>Humans have long attributed human traits to non-human entities – a tendency known as anthropomorphism. It’s no surprise we’re doing this with AI tools such as ChatGPT, which appear to “think” and “feel”. But why is humanising AI a problem?</p> <p>For one thing, it allows AI companies to exploit our tendency to form attachments with human-like entities. Replika is <a href="https://replika.com">marketed</a> as “the AI companion who cares”. However, to avoid legal issues, the company elsewhere points out Replika isn’t sentient and merely learns through millions of user interactions.</p> <p>Some AI companies overtly <a href="https://www.space.gov.au/news-and-media/akin-assistive-ai-improve-life-space-and-earth">claim</a> their AI assistants have empathy and can even anticipate human needs. Such claims are misleading and can take advantage of people seeking companionship. Users may become <a href="https://theconversation.com/i-tried-the-replika-ai-companion-and-can-see-why-users-are-falling-hard-the-app-raises-serious-ethical-questions-200257">deeply emotionally invested</a> if they believe their AI companion truly understands them.</p> <p>This raises serious ethical concerns. A user <a href="https://www.researchgate.net/publication/374505266_Ethical_Tensions_in_Human-AI_Companionship_A_Dialectical_Inquiry_into_Replika">will hesitate</a> to delete (that is, to “abandon” or “kill”) their AI companion once they’ve ascribed some kind of sentience to it.</p> <p>But what happens when said companion unexpectedly disappears, such as if the user can no longer afford it, or if the company that runs it shuts down? While the companion may not be real, the feelings attached to it are.</p> <h2>Empathy – more than a programmable output</h2> <p>By reducing empathy to a programmable output, do we risk diminishing its true essence? To answer this, let’s first think about what empathy really is.</p> <p>Empathy involves responding to other people with understanding and concern. It’s when you share your friend’s sorrow as they tell you about their heartache, or when you feel joy radiating from someone you care about. It’s a profound experience – rich and beyond simple forms of measurement.</p> <p>A fundamental difference between humans and AI is that humans genuinely feel emotions, while AI can only simulate them. This touches on the <a href="https://www.researchgate.net/publication/375086411_Feels_Like_Empathy_How_Emotional_AI_Challenges_Human_Essence">hard problem of consciousness</a>, which questions how subjective human experiences arise from physical processes in the brain.</p> <p>While AI can simulate understanding, any “empathy” it purports to have is a result of programming that mimics empathetic language patterns. Unfortunately, AI providers have a financial incentive to trick users into growing attached to their seemingly empathetic products.</p> <h2>The dehumanAIsation hypothesis</h2> <p>Our “dehumanAIsation hypothesis” highlights the ethical concerns that come with trying to reduce humans to some basic functions that can be replicated by a machine. The more we humanise AI, the more we risk dehumanising ourselves.</p> <p>For instance, depending on AI for emotional labour could make us less tolerant of the imperfections of real relationships. This could weaken our social bonds and even lead to emotional deskilling. Future generations may become less empathetic – losing their grasp on essential human qualities as emotional skills continue to be commodified and automated.</p> <p>Also, as AI companions become more common, people may use them to replace real human relationships. This would likely increase loneliness and alienation – the very issues these systems claim to help with.</p> <p>AI companies’ collection and analysis of emotional data also poses significant risks, as these data could be used to manipulate users and maximise profit. This would further erode our privacy and autonomy, taking <a href="https://theconversation.com/explainer-what-is-surveillance-capitalism-and-how-does-it-shape-our-economy-119158">surveillance capitalism</a> to the next level.</p> <h2>Holding providers accountable</h2> <p>Regulators need to do more to hold AI providers accountable. AI companies should be honest about what their AI can and can’t do, especially when they risk exploiting users’ emotional vulnerabilities.</p> <p>Exaggerated claims of “genuine empathy” should be made illegal. Companies making such claims should be fined – and repeat offenders shut down.</p> <p>Data privacy policies should also be clear, fair and without hidden terms that allow companies to exploit user-generated content.</p> <p>We must preserve the unique qualities that define the human experience. While AI can enhance certain aspects of life, it can’t – and shouldn’t – replace genuine human connection.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/240803/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><em><a href="https://theconversation.com/profiles/raffaele-f-ciriello-1079723">Raffaele F Ciriello</a>, Senior Lecturer in Business Information Systems, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a> and <a href="https://theconversation.com/profiles/angelina-ying-chen-2230113">Angelina Ying Chen</a>, PhD student , <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a></em></p> <p><em>Image credits: Shutterstock </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/humanising-ai-could-lead-us-to-dehumanise-ourselves-240803">original article</a>.</em></p>

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Making art is a uniquely human act, and one that provides a wellspring of health benefits

<p><em><a href="https://theconversation.com/profiles/girija-kaimal-1486183">Girija Kaimal</a>, <a href="https://theconversation.com/institutions/drexel-university-1074">Drexel University</a></em></p> <p>When you think about the word “art,” what comes to mind? A child’s artwork pinned to the fridge? A favorite artist whose work always inspires? Abstract art that is hard to understand?</p> <p>Each of these assumes that making art is something that other people do, such as children or “those with talent.”</p> <p>However, as I explain in my book “<a href="https://global.oup.com/academic/product/the-expressive-instinct-9780197646229?q=the%20expressive%20instinct&amp;lang=en&amp;cc=ca">The Expressive Instinct</a>,” art is intrinsic to human evolution and history. Just as sports or workouts exercise the body, creating art exercises the imagination and is essential to mental as well as physical well-being.</p> <p>I am a <a href="https://scholar.google.com/citations?user=C8R2XOYAAAAJ&amp;hl=en">professor of art therapy</a> who studies how creative self-expression affects physical and emotional health. In our clinical research studies, my colleagues and I are finding that any form of creative self-expression – including drawing, painting, fiber arts, woodworking or photography – can <a href="https://doi.org/10.1080/08322473.2017.1375827">reduce stress</a>, improve mood and increase self-confidence.</p> <p>As a sickly child who needed to stay home from school a lot, I found that making art helped me cope. Today, creating art is my sanctuary. I use it as a sounding board to better understand myself and a way to recharge and learn from the challenges of life.</p> <h2>The uniquely human attribute of creativity</h2> <p>Although everyone has their own concept of what defines art, one thing is universally true: Creativity is a defining feature of the human species.</p> <p>How so? Well, human brains are not computers processing data. They are biological prediction machines that perceive the environment through memories and the senses, with the capacity to <a href="https://doi.org/10.3389/fnhum.2010.00025">use that information to imagine</a> plausible future scenarios.</p> <p>These inherent predictive and imaginative capacities are the wellspring of humanity’s abilities to survive and thrive – because self-expression is a safety valve that helps us cope with uncertainty. No one truly knows the future; they must live each day not sure of what will happen tomorrow. Art can help us all practice this imaginative muscle in a useful way.</p> <p>In our study examining brain activity while using virtual reality tools to create 3-D digital artwork, my team demonstrated that <a href="https://doi.org/10.1080/07421656.2021.1957341">creative expression is a natural state of being</a>. The brain naturally uses fewer cognitive resources to be expressive and creative, compared with the <a href="https://doi.org/10.1080/07421656.2021.1957341">brain power needed to do a rote task</a> that requires conscious effort.</p> <p>Seemingly ordinary everyday activities can provide opportunities to tap into one’s natural creativity and imagination: whipping up a meal from leftovers, figuring out an alternate route to work, dancing a little jig in response to hearing a song, or planting and tending a garden.</p> <p>We have repeatedly found in our studies that even a single session of real and honest self-expression can improve self-confidence and <a href="https://doi.org/10.1177/1534735420912835">reduce feelings of stress</a>, <a href="https://doi.org/10.1016/j.ejon.2019.08.006">anxiety and burnout</a>.</p> <p>This is partly because <a href="https://doi.org/10.1016/j.aip.2017.05.004">creativity activates reward pathways</a> in the brain. Using our hands and bodies to express ourselves activates dopamine pathways and helps us feel good. Dopamine is a neural messenger that is associated with feeling a <a href="https://doi.org/10.1016%2Fj.ajpath.2015.09.023">sense of hope, accomplishment or reward</a>. Our brains are wired to secrete <a href="https://theconversation.com/why-does-experiencing-flow-feel-so-good-a-communication-scientist-explains-173505">feel-good hormones whenever we move</a>, create something or engage in any type of expressive activity.</p> <p>Tapping into the creative resources within is <a href="https://theconversation.com/drawing-making-music-and-writing-poetry-can-support-healing-and-bring-more-humanity-to-health-care-in-us-hospitals-204684">one of the most underrated seeds of well-being</a> in the world.</p> <p>By comparison, bottling up or <a href="https://www.scientificamerican.com/article/why-the-secrets-you-keep-are-hurting-you/">denying these feelings can cause distress</a>, anxiety and fear because we have not processed and expressed them. This is probably one of the reasons why every community around the world has its own creative and expressive practices. Even our ancestors in Indigenous communities all around the world intuitively knew that <a href="https://doi.org/10.1016/j.aip.2021.101879">self-expression was essential</a> to emotional health and social connection.</p> <p>Being unable to share our lives, <a href="https://www.scientificamerican.com/article/why-the-secrets-you-keep-are-hurting-you/">keeping secrets</a> and feeling isolated and lonely tend <a href="https://doi.org/10.1016/j.neubiorev.2020.02.002">to worsen our health</a>. To our brains, social isolation feels like a chronic disease because it interprets this loneliness and inability to express as a threat to survival.</p> <p>Since creative expression can engage the senses, it can also be a body workout: a sensual as well as emotional and cognitive experience. Being active in expression – be it art, music, dance, drama, writing, culinary arts or working with nature – imparts a sense of confidence and hope that <a href="https://global.oup.com/academic/product/the-expressive-instinct-9780197646229?q=the%20expressive%20instinct&amp;lang=en&amp;cc=ca">challenges can be navigated and overcome</a>.</p> <h2>The role of art therapy</h2> <p>Given the integral role of art in our lives, it makes sense that making art can help people manage transitions, adversity and trauma, such as the stresses of puberty, the death of a loved one or <a href="https://doi.org/10.1016/j.ejon.2019.08.006">experiencing a serious illness</a>.</p> <p>According to a global study, 1 in 2 people will experience a <a href="https://doi.org/10.1016/S2215-0366(23)00193-1">mental-health-related challenge in their lifetime</a>, whether from life’s challenges, genetic predispositions or a combination of the two.</p> <p>This is where art therapy can come in. Art therapy is <a href="https://arttherapy.org/about-art-therapy/">a regulated mental health profession</a> in which clinical psychotherapists with extensive clinical training offer psychotherapy to patients with diagnosed mental health needs.</p> <p>The origins of art therapy go back to <a href="https://doi.org/10.1136/bmjopen-2017-021448">attempts to treat soldiers struggling with post-traumatic stress</a> during the 20th century’s two world wars. Today there is evidence that traumatic experiences tend to be stored as <a href="http://orcid.org/0000-0002-7316-0473">sounds, images and physical sensations</a> in the brain. When someone <a href="https://doi.org/10.1001/jama.2019.20825">lacks the words</a> to process these experiences through traditional talk therapy, art therapy can provide an indirect way to express and externalize those feelings and memories.</p> <figure><iframe src="https://www.youtube.com/embed/e-IiUcUVAwk?wmode=transparent&amp;start=3" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe><figcaption><span class="caption">The process of making art can help people process feelings that they aren’t able to put into words.</span></figcaption></figure> <p>One of art therapy’s unique strengths is that it provides nonverbal ways of communicating, processing and eventually managing the symptoms of post-traumatic stress disorder, or PTSD. In fact, in a recent study, my team has found that a personal history of trauma is related to <a href="https://doi.org/10.3389/fpsyg.2024.1337927">how people react to evocative images</a>. Images of distress and pain resonate with us when we have known similar kinds of distress ourselves. This implies that our life stories make us sensitized to distress in others and even personalize it more.</p> <p>Creative self-expression is especially relevant in coping with trauma because it provides an outlet through which a person <a href="https://doi.org/10.1177/1534735420912835">can regain a sense of agency</a> and control.</p> <h2>How to bring creativity into daily life</h2> <p>For those new to exploring art as a creative pursuit or for well-being reasons, engaging in creative activities begins with letting go of unrealistic expectations. Being creative isn’t about becoming a famous artist or even a mediocre one. It is about allowing ourselves to flex the creative muscle that we all have and enjoying all the sensory and emotional aspects of imagining.</p> <p>Next, think about activities that made you feel free to explore when you were a child. Did you like singing, playing in the outdoors, dancing, making up pretend plays, or writing little tales? Allow yourself to indulge in any and all of these creative pursuits that made you feel relaxed and joyful.</p> <p>A <a href="https://doi.org/10.1016/j.aip.2021.101879">cultural tradition</a>, tinkering with electronics, making a gift for someone or simply paying attention to everyday beauty – any of these can be a creative activity. And just like any muscle, the more you exercise it, the stronger it becomes. Over time, you will notice yourself getting more confident and adventurous in your creative practices.</p> <p>Whatever it is, make time for this creative pursuit every week – which is possibly the hardest step of them all. If it seems “unimportant” compared with the demands of daily life, such as work or family, try thinking of it as another form of sustenance.</p> <p>Remember that creativity is just as critical to human health as <a href="https://theconversation.com/helping-children-eat-healthier-foods-may-begin-with-getting-parents-to-do-the-same-research-suggests-225157">eating nutritious meals</a> or <a href="https://theconversation.com/yoga-modern-research-shows-a-variety-of-benefits-to-both-body-and-mind-from-the-ancient-practice-197662">getting exercise</a> and <a href="https://theconversation.com/whats-the-best-diet-for-healthy-sleep-a-nutritional-epidemiologist-explains-what-food-choices-will-help-you-get-more-restful-zs-219955">good rest</a>. So as the Latin saying goes: “Plene vivere.” Live fully.</p> <p><em><a href="https://theconversation.com/profiles/girija-kaimal-1486183">Girija Kaimal</a>, Professor of Art Therapy Research, <a href="https://theconversation.com/institutions/drexel-university-1074">Drexel University</a></em></p> <p><em>Image credits: Shutterstock</em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/making-art-is-a-uniquely-human-act-and-one-that-provides-a-wellspring-of-health-benefits-219091">original article</a>.</em></p>

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Boy accidentally smashes 3500-year old artefact

<p>A 3500-year old jar has been smashed to pieces after a four-year-old boy accidentally knocked it over during a trip to a museum in Israel. </p> <p>The Hecht Museum in Haifa told the BBC that the artefact dates back to the Bronze Age between 2200 and 1500BC - and was considered a rare find because it was so intact.</p> <p>It had been on display near the entrance of the museum without any protective glass around it, as the museum believes there is a  “special charm” in showcasing archaeological finds “without obstructions”.</p> <p>The boy's father, Alex, told the publication that his son had only "pulled the jar slightly" because he was "curious about what was inside", causing it to fall.</p> <p>He also said that he was "in shock" to see his son next to the ruined artefact and initially thought "it wasn't my child that did it".</p> <p>After calming his child down, he spoke to a security guard who confirmed what happened. </p> <p>The museum stated they would not be charging the family and they've even invited the child back to the exhibition for an organised tour after the incident occurred a few days ago. </p> <p>“There are instances where display items are intentionally damaged, and such cases are treated with great severity, including involving the police,” Lihi Laszlo from The Hecht Museum told the <em>BBC</em>. </p> <p>“In this case, however, this was not the situation. The jar was accidentally damaged by a young child visiting the museum, and the response will be accordingly.”</p> <p>A conservation specialist has also been brought on board to restore the jar, which will be returned to the museum "in a short time".</p> <p>The boy's father said they will feel "relieved" to see the jar restored but added they are "sorry" because "it will no longer be the same item". </p> <p>“Despite the rare incident” the museum told the publication that they intend to continue displaying items without barriers or glass walls, where possible. </p> <p>The ancient jar was likely originally used to carry local supplies like wine and olive oil and predates the time of the Biblical King David and King Solomon and is distinctive of the Canaan region on the eastern Mediterranean coast.</p> <p><em>Images: Hecht Museum</em></p> <p> </p>

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4 things ancient Greeks and Romans got right about mental health

<p><em><a href="https://theconversation.com/profiles/konstantine-panegyres-1528527">Konstantine Panegyres</a>, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a></em></p> <p>According to the World Health Organization, about <a href="https://www.who.int/news-room/fact-sheets/detail/depression">280 million people</a> worldwide have depression and about <a href="https://www.who.int/health-topics/mental-health#tab=tab_2">one billion</a> have a mental health problem of any kind.</p> <p>People living in the ancient world also had mental health problems. So, how did they deal with them?</p> <p>As we’ll see, some of their insights about mental health are still relevant today, even though we might question some of their methods.</p> <h2>1. Our mental state is important</h2> <p>Mental health problems such as depression were familiar to people in the ancient world. Homer, the poet famous for the Iliad and Odyssey who lived around the eighth century BC, apparently <a href="https://www.loebclassics.com/view/LCL496/2003/volume.xml">died</a> after wasting away from depression.</p> <p>Already in the late fifth century BC, ancient Greek doctors recognised that our health partly depends on the state of our thoughts.</p> <p>In the Epidemics, a medical text written in around 400BC, an anonymous doctor <a href="https://www.loebclassics.com/view/LCL477/1994/volume.xml">wrote</a> that our habits about our thinking (as well as our lifestyle, clothing and housing, physical activity and sex) are the main determinants of our health.</p> <h2>2. Mental health problems can make us ill</h2> <p>Also writing in the Epidemics, an anonymous doctor <a href="https://www.loebclassics.com/view/LCL477/1994/volume.xml">described</a> one of his patients, Parmeniscus, whose mental state became so bad he grew delirious, and eventually could not speak. He stayed in bed for 14 days before he was cured. We’re not told how.</p> <p>Later, the famous doctor <a href="https://www.britannica.com/biography/Galen">Galen of Pergamum</a> (129-216AD) <a href="https://dfg-viewer.de/show?tx_dlf%5Bdouble%5D=0&amp;tx_dlf%5Bid%5D=http%3A%2F%2Fcmg.bbaw.de%2Fepubl%2Fonline%2Fmets%2Fsuppl_or_05_03.xml&amp;tx_dlf%5Bpage%5D=1390&amp;cHash=a0a715a587fa4e89a8839ccb310b0734">observed</a> that people often become sick because of a bad mental state:</p> <blockquote> <p>It may be that under certain circumstances ‘thinking’ is one of the causes that bring about health or disease because people who get angry about everything and become confused, distressed and frightened for the slightest reason often fall ill for this reason and have a hard time getting over these illnesses.</p> </blockquote> <p>Galen also described some of his patients who suffered with their mental health, including some who became seriously ill and died. <a href="https://dfg-viewer.de/show?tx_dlf%5Bdouble%5D=0&amp;tx_dlf%5Bid%5D=http%3A%2F%2Fcmg.bbaw.de%2Fepubl%2Fonline%2Fmets%2Fsuppl_or_05_03.xml&amp;tx_dlf%5Bpage%5D=1392&amp;cHash=c93bf32c31975103b100e918bee893d9">One man</a> had lost money:</p> <blockquote> <p>He developed a fever that stayed with him for a long time. In his sleep he scolded himself for his loss, regretted it and was agitated until he woke up. While he was awake he continued to waste away from grief. He then became delirious and developed brain fever. He finally fell into a delirium that was obvious from what he said, and he remained in this state until he died.</p> </blockquote> <h2>3. Mental illness can be prevented and treated</h2> <p>In the ancient world, people had many different ways to prevent or treat mental illness.</p> <p>The philosopher Aristippus, who lived in the fifth century BC, used to advise people <a href="https://www.loebclassics.com/view/LCL486/1997/volume.xml">to focus on the present</a> to avoid mental disturbance:</p> <blockquote> <p>concentrate one’s mind on the day, and indeed on that part of the day in which one is acting or thinking. Only the present belongs to us, not the past nor what is anticipated. The former has ceased to exist, and it is uncertain if the latter will exist.</p> </blockquote> <p>The philosopher Clinias, who lived in the fourth century BC, <a href="https://www.loebclassics.com/view/LCL486/1997/volume.xml">said</a> that whenever he realised he was becoming angry, he would go and play music on his lyre to calm himself.</p> <p>Doctors had their own approaches to dealing with mental health problems. Many <a href="https://books.google.com.au/books?id=KPHaAAAAMAAJ&amp;q=caelius+aurelianus+drabkin+on+acute+diseases&amp;dq=caelius+aurelianus+drabkin+on+acute+diseases&amp;hl=en&amp;newbks=1&amp;newbks_redir=0&amp;sa=X&amp;ved=2ahUKEwjpqszXwuSGAxUjamwGHS1yCuoQ6AF6BAgHEAI">recommended</a> patients change their lifestyles to adjust their mental states. They advised people to take up a new regime of exercise, adopt a different diet, go travelling by sea, listen to the lectures of philosophers, play games (such as draughts/checkers), and do mental exercises equivalent to the modern crossword or sudoku.</p> <p>For instance, the physician Caelius Aurelianus (fifth century AD) <a href="https://books.google.com.au/books?id=KPHaAAAAMAAJ&amp;q=caelius+aurelianus+drabkin+on+acute+diseases&amp;dq=caelius+aurelianus+drabkin+on+acute+diseases&amp;hl=en&amp;newbks=1&amp;newbks_redir=0&amp;sa=X&amp;ved=2ahUKEwjpqszXwuSGAxUjamwGHS1yCuoQ6AF6BAgHEAI">thought</a> patients suffering from insanity could benefit from a varied diet including fruit and mild wine.</p> <p>Doctors also advised people to take plant-based medications. For example, the herb <a href="https://www.psychiatriki-journal.gr/documents/psychiatry/30.1-EN-2019-58.pdf">hellebore</a> was given to people suffering from paranoia. However, ancient doctors recognised that hellebore could be dangerous as it sometimes induced toxic spasms, killing patients.</p> <p>Other doctors, such as Galen, had a slightly different view. He believed mental problems were caused by some idea that had taken hold of the mind. He believed mental problems could be cured if this idea was removed from the mind and <a href="https://dfg-viewer.de/show?tx_dlf%5Bdouble%5D=0&amp;tx_dlf%5Bid%5D=http%3A%2F%2Fcmg.bbaw.de%2Fepubl%2Fonline%2Fmets%2Fsuppl_or_05_03.xml&amp;tx_dlf%5Bpage%5D=1396&amp;cHash=1697e4b73dd653092cd8398749f1989f">wrote</a>:</p> <blockquote> <p>a person whose illness is caused by thinking is only cured by taking care of the false idea that has taken over his mind, not by foods, drinks, [clothing, housing], baths, walking and other such (measures).</p> </blockquote> <p>Galen <a href="https://dfg-viewer.de/show?id=9&amp;tx_dlf%5Bid%5D=http%3A%2F%2Fcmg.bbaw.de%2Fepubl%2Fonline%2Fmets%2Fsuppl_or_05_03.xml&amp;tx_dlf%5Bpage%5D=1418">thought</a> it was best to deflect his patients’ thoughts away from these false ideas by putting new ideas and emotions in their minds:</p> <blockquote> <p>I put fear of losing money, political intrigue, drinking poison or other such things in the hearts of others to deflect their thoughts to these things […] In others one should arouse indignation about an injustice, love of rivalry, and the desire to beat others depending on each person’s interest.</p> </blockquote> <h2>4. Addressing mental health needs effort</h2> <p>Generally speaking, the ancients believed keeping our mental state healthy required effort. If we were anxious or angry or despondent, then we needed to do something that brought us the opposite of those emotions.</p> <p>This can be achieved, they thought, by doing some activity that directly countered the emotions we are experiencing.</p> <p>For example, Caelius Aurelianus <a href="https://books.google.com.au/books?id=KPHaAAAAMAAJ&amp;q=caelius+aurelianus+drabkin+on+acute+diseases&amp;dq=caelius+aurelianus+drabkin+on+acute+diseases&amp;hl=en&amp;newbks=1&amp;newbks_redir=0&amp;sa=X&amp;ved=2ahUKEwjpqszXwuSGAxUjamwGHS1yCuoQ6AF6BAgHEAI">said</a> people suffering from depression should do activities that caused them to laugh and be happy, such as going to see a comedy at the theatre.</p> <p>However, the ancients did not believe any single activity was enough to make our mental state become healthy. The important thing was to make a wholesale change to one’s way of living and thinking.</p> <p>When it comes to experiencing mental health problems, we clearly have a lot in common with our ancient ancestors. Much of what they said seems as relevant now as it did 2,000 years ago, even if we use different methods and medicines today.</p> <hr /> <p><em>If this article has raised issues for you, or if you’re concerned about someone you know, call Lifeline on 13 11 14.</em><img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/232824/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><em><a href="https://theconversation.com/profiles/konstantine-panegyres-1528527">Konstantine Panegyres</a>, McKenzie Postdoctoral Fellow, researching Greco-Roman antiquity, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a></em></p> <p><em>Image credits: Shutterstock </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/4-things-ancient-greeks-and-romans-got-right-about-mental-health-232824">original article</a>.</em></p>

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Nude athletes and fights to the death: what really happened at the ancient Olympics

<p><a href="https://theconversation.com/profiles/konstantine-panegyres-1528527">Konstantine Panegyres</a>, <em><a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a></em></p> <p>The first recorded victor at the Olympics was <a href="https://anastrophe.uchicago.edu/cgi-bin/perseus/citequery3.pl?dbname=GreekNov21&amp;getid=1&amp;query=Paus.%205.8.8#:%7E:text=This%20I%20can%20prove%3B%20for%20when%20the%20unbroken%20tradition%20of%20the%20Olympiads%20began%20there%20was%20first%20the%20foot%2Drace%2C%20and%20Coroebus%20an%20Elean%20was%20victor.%20There%20is%20no%20statue%20of%20Coroebus%20at%20Olympia%2C%20but%20his%20grave%20is%20on%20the%20borders%20of%20Elis.">Coroebus of Elis</a>. A cook by profession, Coroebus won the event called the “stadion” – a footrace of just under 200 metres, run in a straight line.</p> <p>Coroebus was victorious in the year 776 BC, but this was probably not the year of the first Olympic games.</p> <p>A few ancient writers, such as the historian <a href="https://quod.lib.umich.edu/m/moa/acl3129.0001.001/320">Aristodemus of Elis</a> (who lived in the 2nd century AD or earlier), <a href="https://www.attalus.org/translate/eusebius2.html#:%7E:text=Aristodemus%20of%20Elis,in%20between%20them.">believed</a> there had been as many as 27 Olympic contests prior to 776 BC, but the results had never been recorded because people before that time did not care about recording the names of the winners.</p> <p>The games were held every four years at <a href="https://www.britannica.com/place/Olympia-ancient-site-Greece">Olympia</a>, a site in Western Greece that had a famous temple to the god <a href="https://www.britannica.com/topic/Zeus">Zeus</a>.</p> <p>The games started in mid-August and were part of a religious festival dedicated to Zeus.</p> <figure><iframe src="https://www.youtube.com/embed/VdHHus8IgYA?wmode=transparent&amp;start=25" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe><figcaption><span class="caption">The Olympics began as part of a religious festival honouring the Greek god Zeus.</span></figcaption></figure> <h2>Competing for glory</h2> <p>In the early days of the Olympics, there was only one event (the “<a href="https://www.britannica.com/sports/stade-footrace#:%7E:text=ancient%20Olympic%20Games&amp;text=The%20race%2C%20known%20as%20the,the%20diaulos%2C%20roughly%20similar%20to%E2%80%A6">stadion</a>”) and one victor.</p> <p>Over the centuries, other events were added, like chariot races, wrestling, long-distance running and boxing. The Roman emperor <a href="https://www.britannica.com/biography/Nero-Roman-emperor">Nero</a> (37-68 AD) even “introduced a musical competition at Olympia”, as the biographer <a href="https://www.oxfordreference.com/display/10.1093/acref/9780198606413.001.0001/acref-9780198606413-e-6117">Suetonius</a> (1st/2nd century AD) <a href="https://www.loebclassics.com/view/LCL038/1914/volume.xml">informs</a> us.</p> <p>Victors at Olympia won a wreath of wild olive. Unlike today, there were no prizes for second or third.</p> <p>The athlete <a href="http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A1999.04.0104%3Aalphabetic+letter%3DI%3Aentry+group%3D2%3Aentry%3Diccus-bio-1">Iccus of Tarentum</a>, who lived in the 5th century BC and won victory in the pentathlon at the Olympics of 476 BC, apparently <a href="https://www.loebclassics.com/view/LCL448/1959/volume.xml">said</a> that for him “the prizes meant glory, admiration in his lifetime, and after death an honoured name”.</p> <p>Mostly men competed for the prizes but some women took part.</p> <p><a href="https://www.jstor.org/stable/43610326">Cynisca</a>, daughter of King <a href="https://www.britannica.com/biography/Archidamus-II">Archidamus II of Sparta</a>, was the first woman to achieve an Olympic victory. She got the prize because the horses she trained won the chariot racing event in the year 396 BC, as the traveller <a href="https://www.britannica.com/biography/Pausanias-Greek-geographer">Pausanias</a> (2nd century AD) <a href="https://www.loebclassics.com/view/LCL188/1926/volume.xml">writes</a>:</p> <blockquote> <p>Cynisca was exceedingly ambitious to succeed at the Olympic games and was the first woman to breed horses and the first to win an Olympic victory. After Cynisca, other women have won Olympic victories but none of them was more distinguished for their victories than her.</p> </blockquote> <p>But competing in the games could be dangerous.</p> <p><a href="https://www.oxfordreference.com/display/10.1093/oi/authority.20110803100454522">Lucius Annaeus Seneca</a> (c. 50 BC-c. 40 AD) <a href="https://www.loebclassics.com/view/LCL463/1974/volume.xml">describes</a> how a father lost both sons in the “<a href="https://www.britannica.com/sports/pankration">pancration</a>”, a type of combat sport that was a violent mixture of boxing and wrestling:</p> <blockquote> <p>A man trained his two sons as pancratists, and presented them to compete at the Olympic games. They were paired off to fight each other. The youths were both killed together and had divine honours decreed to them.</p> </blockquote> <h2>Going to the games</h2> <p>People travelled far to see the athletes competing in the famous games.</p> <p>The rhetorician <a href="https://www.oxfordreference.com/display/10.1093/acref/9780198606413.001.0001/acref-9780198606413-e-4094">Menander</a> (3rd/4th century AD) <a href="https://www.loebclassics.com/view/LCL539/2019/volume.xml">said</a> of the Olympic games: “the journey there is very difficult but nevertheless people take the risk”.</p> <p>In 44 BC, the Roman statesman <a href="https://www.britannica.com/biography/Cicero">Cicero</a> (106-43 BC) <a href="https://books.google.com.au/books?id=BzJsGtpNTwMC&amp;pg=PA125&amp;dq=%22A+winter+voyage+is+disagreeable,+and+that+is+why+I+asked+you%22&amp;hl=en&amp;newbks=1&amp;newbks_redir=0&amp;sa=X&amp;ved=2ahUKEwjd5ca9m62HAxXKSWwGHf13DPEQ6AF6BAgKEAI#v=onepage&amp;q=%22A%20winter%20voyage%20is%20disagreeable%2C%20and%20that%20is%20why%20I%20asked%20you%22&amp;f=false">wrote</a> a letter to his friend Atticus about planning a trip to Greece to see the games:</p> <blockquote> <p>I should like to know the date of the Olympic games […] of course, as you say, the plan of my trip will depend on chance.</p> </blockquote> <p>Cicero never made it to the Olympics – he was interrupted by other business. If he had gone, the trip would have involved a voyage by sea from Italy to Greece, then a carriage ride to Olympia.</p> <p>Once at Olympia, travellers stayed at lodging houses with other travellers. There they mixed with strangers and made new friends.</p> <p>There is a famous story about what happened when the philosopher <a href="https://www.britannica.com/biography/Plato">Plato</a> (428/427-348/347 BC) stayed at Olympia for the games.</p> <p>Plato lived there with others who did not realise he was the celebrated philosopher and he made a good impression on them, as the Roman writer <a href="https://www.britannica.com/biography/Aelian#:%7E:text=Aelian%20(born%20c.,%22Honey%2Dtongued%22).">Claudius Aelian</a> (2nd/3rd century AD) <a href="https://www.loebclassics.com/view/LCL486/1997/volume.xml">recalled</a>:</p> <blockquote> <p>The strangers were delighted by their chance encounter […] he had behaved towards them with modesty and simplicity and had proved himself able to win the confidence of anyone in his company.</p> </blockquote> <p>Later on, Plato invited his new friends to Athens and they were amazed to find out he was in fact the famous philosopher who was the student of <a href="https://www.britannica.com/biography/Socrates">Socrates</a>.</p> <p>It’s unclear how many people actually visited the ancient games each time they were held, although some modern scholars <a href="https://olympics.com/ioc/ancient-olympic-games/spectators">think</a> the number could have been as high as 50,000 in some years.</p> <h2>Watching the games</h2> <p>The Greek writer <a href="https://www.britannica.com/biography/Chariton-Greek-author">Chariton</a> (1st century AD) in his novel Callirhoe <a href="https://www.loebclassics.com/view/LCL481/1995/volume.xml">wrote</a> how athletes – who had often also made a long journey to get to the games – arrived at Olympia “with an escort of their supporters”.</p> <p>Athletes competed naked, and women were usually not permitted to watch.</p> <p>But there were some exceptions. For example a woman called Pherenice, who lived in the 4th century BC, was permitted to attend the Olympics as a spectator. As Claudius Aelian <a href="https://www.loebclassics.com/view/LCL486/1997/volume.xml">explains</a>:</p> <blockquote> <p>Pherenice brought her son to the Olympic festival to compete. The presiding officials refused to admit her as a spectator but she spoke in public and justified her request by pointing out that her father and three brothers were Olympic victors, and she was bringing a son who was a competitor. She won over the assembly and she attended the Olympic festival.</p> </blockquote> <p>As the contest was held in the middle of summer, it was usually extremely hot. According to Claudius Aelian, some people <a href="https://www.loebclassics.com/view/LCL486/1997/volume.xml">thought</a> watching the Olympics under “the baking heat of the sun” was a “much more severe penalty” than having to do manual labour such as grinding grain.</p> <p>The site at Olympia also had problems with freshwater supply. According to the writer <a href="https://www.britannica.com/biography/Lucian">Lucian of Samosata</a> (2nd century AD), visitors to the games sometimes <a href="https://www.tertullian.org/rpearse/lucian/peregrinus.htm#:%7E:text=Coming%20at%20last,that%20same%20water!">died of thirst</a>. This problem was fixed when <a href="https://www.britannica.com/biography/Herodes-Atticus">Herodes Atticus</a> built an <a href="http://www.perseus.tufts.edu/hopper/artifact?name=Olympia%2C+Nymphaeum&amp;object=Building">aqueduct</a> to the site in the middle of the 2nd century AD.</p> <p>The atmosphere of the crowd was electric.</p> <p>The Athenian general and politician <a href="https://penelope.uchicago.edu/Thayer/E/Roman/Texts/Plutarch/Lives/Themistocles*.html">Themistocles</a> (6th/5th century BC) apparently <a href="https://www.loebclassics.com/view/LCL486/1997/volume.xml">said</a> the most enjoyable moment of his life was “to see the public at Olympia turning to look at me as I entered the stadium”.</p> <p>They praised him when he visited the games at Olympia because of his recent victory against the Persians at the <a href="https://www.britannica.com/event/Battle-of-Salamis">battle of Salamis</a> (480 BC).</p> <p>When the games were over, winning athletes returned home to a hero’s welcome.</p> <p>According to Claudius Aelian, when the athlete <a href="https://ia801308.us.archive.org/18/items/PWRE09-10/Pauly-Wissowa_V1_1151.png">Dioxippus</a> (4th century BC) <a href="https://www.loebclassics.com/view/LCL486/1997/volume.xml">returned to Athens</a> after being victorious in the pancration at Olympia, “a crowd collected from all directions” in the city to celebrate him.</p> <h2>The end of the ancient games</h2> <p>The Roman historian <a href="https://www.oxfordreference.com/display/10.1093/oi/authority.20110803115406219">Velleius Paterculus</a> (born 20/19 BC) <a href="https://www.loebclassics.com/view/LCL152/1924/volume.xml">called</a> the Olympic games “the most celebrated of all contests in sports”.</p> <p>Current research <a href="https://www.cambridge.org/core/books/end-of-greek-athletics-in-late-antiquity/DF60B2B859B4F1A7FE7549B17B61E9A1">suggests</a> the ancient games probably ended in the reign of the Roman emperor Theodosius II (reigned 408-450 AD).</p> <p>There may have been a number of reasons for the demise but some ancient sources specifically <a href="http://ancientolympics.arts.kuleuven.be/sourceEN/D219EN.html#:%7E:text=Scholia%20in%20Lucianum%2041.9.42%2D46%3A%0AThe%20Olympic%20games%20%C3%AF%C2%BF%C2%BD%20existed%20for%20a%20long%20time%20until%20Theodosius%20the%20younger%2C%20who%20was%20the%20son%20of%20Arcadius.%20After%20the%20temple%20of%20Olympian%20Zeus%20had%20been%20burnt%20down%2C%20the%20festival%20of%20the%20Eleans%20and%20Olympic%20contest%20were%20abandoned.">say</a> it was caused by a fire that destroyed the temple of Zeus at Olympia during Theodosius II’s reign:</p> <blockquote> <p>After the temple of Olympian Zeus had been burnt down, the festival of the Eleans and the Olympic contest were abandoned.</p> </blockquote> <p>The Olympics were not revived again until 1896, the year of the first <a href="https://olympics.com/en/olympic-games/athens-1896">modern Olympics</a>.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/234912/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><a href="https://theconversation.com/profiles/konstantine-panegyres-1528527">Konstantine Panegyres</a>, McKenzie Postdoctoral Fellow, <em><a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a></em></p> <p><em>Image: Shutterstock</em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/nude-athletes-and-fights-to-the-death-what-really-happened-at-the-ancient-olympics-234912">original article</a>.</em></p>

International Travel

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It may be macabre, but dark tourism helps us learn from the worst of human history

<p><em><a href="https://theconversation.com/profiles/dr-neil-robinson-1312179">Dr Neil Robinson</a>, <a href="https://theconversation.com/institutions/university-of-salford-878">University of Salford</a></em></p> <p>Dark tourism has become a much more well-covered pasttime in recent years, in which a macabre fascination lead tourists to travel to various places not served by Thomas Cook: the sites of battles and genocides, war cemeteries, prisons, and even <a href="http://www.theatlantic.com/international/archive/2014/07/the-rise-of-dark-tourism/374432/">current warzones such as Syria</a>.</p> <p>The 20th century alone has provided such a <a href="http://www.therichest.com/expensive-lifestyle/location/10-great-places-to-visit-for-dark-tourism/">long list of places</a> at which catastrophes or great loss of life and suffering has occurred. Sites visited range from the spot from which JFK was assassinated, to prisons such as Alcatraz in San Francisco, through to battlefields of the World Wars, or the vestiges of genocides such at Auschwitz in Poland or Tuol Sleng in Phnom Penh, Cambodia. It’s not everybody’s cup of tea, but we shouldn’t condemn those for whom this is an interest.</p> <p>Dark tourism appears to be a manifestation of our media-rich society through which information found online may persuade us to see historical sites in person. But its origins can be traced back much further than the fascination with death and disasters of the 19th and 20th century. In the 11th century, people and pilgrims often visited places with religious significance such as Jerusalem, where the location of Christ’s crucifixion is a popular attraction; tourists visited Gettysburg, the site of the bloodiest battle of the American Civil War in 1863; and in more recent centuries, the Grand Tour offered an opportunity for the wealthy to experience Europe, with sites such as the classical ruins of the Colosseum in Rome – which in the name of entertainment saw execution, torture and death – one of the must-see attractions.</p> <p>Today, in parallel with the growth in popularity of dark tourism is the enormous growth of social media and the 24-hour news economy. The ease of access to such blanket coverage through the web, Facebook and Twitter has increased people’s awareness of, and fascination for, these historical sites of war, conflict and catastrophe. For example, the last decade has brought a surge in visitor numbers to <a href="https://theconversation.com/from-fiction-to-gallows-humour-how-chernobyl-survivors-are-still-coping-with-trauma-57923">Chernobyl</a>, where guides take visitors around the abandoned city of Pripyat (radiation levels permitting) which has been deserted since the nuclear power plant explosion on April 26, 1986. The 30th anniversary this year has in itself <a href="http://www.dailymail.co.uk/travel/travel_news/article-3526271/Chernobyl-tourists-pose-photos-eerie-sites.html">added to interest in visiting</a> the overgrown and crumbling city.</p> <p>As with tourism of any kind, this greater footfall brings benefits. In this case, not just the economic boost but also as a tool of education and even conflict resolution. For example, the <a href="http://www.belfasttours.com/package/belfast-political-mural-tour">taxi tours of Belfast’s murals</a>, which document Northern Ireland’s Troubles, offer visitors a way to understand the history and provide the communities involved a means to reflect and move on from the conflict. This model is <a href="http://www.h-net.org/reviews/showpdf.php?id=25852">viewed with interest</a> and hope by moderates on both sides of the Arab-Israeli divide searching for a peaceful solution for the long term.</p> <p>The tours of <a href="http://whc.unesco.org/en/list/916">Robin Island prison</a> in South Africa, where Nelson Mandela spent 18 years incarcerated among many others, starkly present how those imprisoned by a corrupt and discriminatory political regime can later engage in peace and reconciliation. The <a href="http://www.bruisedpassports.com/africa/5-reasons-you-must-go-for-a-township-tour-in-south-africa">Soweto township tours</a> in Johannesburg have acted in part as a means through which generations of South Africans can better understand their country’s dark past and help to establish truth and reconciliation for the future.</p> <p>Dark tourism should not in my opinion by viewed as unethical, repugnant or even a self-indulgent activity. Certainly some dark tourists may engage in their pursuits for all the wrong reasons, seeing death and destruction as a commodity to be consumed with little thought for those who caught up in its wake. But others visit such sites to pay their respects, to better understand the magnitude of death and destruction, and to inform the outside world of the details of terrible events – even in some case offering to help. These are positive effects that may come from so much pain and suffering.</p> <p>We should strive to better understand the origins of the terrible events of human history to be more able to prevent us repeating them. In this regard, that more people visit sites associated with dark tourism and learn about them should be seen as a positive.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/60966/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><em><a href="https://theconversation.com/profiles/dr-neil-robinson-1312179">Dr Neil Robinson</a>, Lecturer in Business, <a href="https://theconversation.com/institutions/university-of-salford-878">University of Salford</a></em></p> <p><em>Image credits: Shutterstock </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/it-may-be-macabre-but-dark-tourism-helps-us-learn-from-the-worst-of-human-history-60966">original article</a>.</em></p>

Travel Trouble

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Elephant tourism often involves cruelty – here are steps toward more humane, animal-friendly excursions

<p><em><a href="https://theconversation.com/profiles/michelle-szydlowski-1495781">Michelle Szydlowski</a>, <a href="https://theconversation.com/institutions/miami-university-1934">Miami University</a></em></p> <p>Suju Kali is a 50-year-old elephant in Nepal who has been carrying tourists for over 30 years. Like many elephants I encounter through my <a href="https://doi.org/10.1080/10888705.2022.2028628">research</a>, Suju Kali exhibits anxiety and can be aggressive toward strangers. She suffers from emotional trauma as a result of prolonged, commercial human contact.</p> <p>Like Suju Kali, many animals are trapped within the tourism industry. Some venues have no oversight and little concern for animal or tourist safety. Between 120,000 and 340,000 animals are used globally in a variety of wildlife tourism attractions, including <a href="https://doi.org/10.1371/journal.pone.0138939">endangered species</a> like elephants. Over a quarter of the world’s <a href="https://www.iucnredlist.org/species/7140/45818198">endangered elephants</a> reside in captivity with little oversight.</p> <p>Wildlife tourism – which involves viewing wildlife such as primates or birds in conservation areas, feeding or touching captive or “rehabilitated” wildlife in facilities, and bathing or riding animals like elephants – is <a href="https://doi.org/10.1080/14724049.2022.2156523">tricky business</a>. I know this because I am <a href="https://scholar.google.com/citations?user=YbweA2MAAAAJ&amp;hl=en">a researcher studying human relationships with elephants</a> in both tourism and conservation settings within Southeast Asia.</p> <p>These types of experiences have long been an <a href="https://kathmandupost.com/money/2021/06/17/tourism-is-nepal-s-fourth-largest-industry-by-employment-study">extremely popular and profitable</a> part of the <a href="https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.1002074">tourism market</a>. But now, many travel-related organizations are urging people not to participate in, or <a href="https://www.usatoday.com/story/travel/destinations/2018/04/27/animal-welfare-travelers-how-enjoy-wildlife-without-harming/544938002/">calling for an outright ban on, interactive wildlife experiences</a>.</p> <p>Tourism vendors have started marketing more “ethical options” for consumers. Some are attempting to truly improve the health and welfare of wildlife, and some are transitioning captive wildlife into touch-free, non-riding or lower-stress environments. In other places, organizations are attempting to <a href="https://www.fao.org/documents/card/es/c/b2c5dad0-b9b9-5a3d-a720-20bf3b9f0dc2/">implement standards of care</a> or create manuals that outline good practices for animal husbandry.</p> <p>This marketing, academics argue, is often simply “<a href="https://doi.org/10.1016/j.gecco.2017.11.007">greenwashing</a>,” <a href="http://dx.doi.org/10.1080/13683500.2023.2280704">applying marketing labels to make consumers feel better</a> about their choices without making any real changes. Worse, research shows that some programs marketing themselves as ethical tourism may instead be widening economic gaps and harming both humans and other species that they are meant to protect.</p> <h2>No quick fix</h2> <p>For example, rather than tourist dollars trickling down to local struggling families as intended by local governments, many tourism venues are owned by nonresidents, <a href="http://dx.doi.org/10.3126/japfcsc.v2i1.26746">meaning the profits do not stay in the area</a>. Likewise, only a small number of residents can afford to own tourism venues, and venues do not provide employment for locals from lower income groups.</p> <p>This economic gap is especially obvious in Nepalese elephant stables: Venue owners continue to make money off elephants, while elephant caregivers continue to work 17 hours a day for about US$21 a month; tourists are led to believe they are “<a href="https://www.cabidigitallibrary.org/doi/book/10.1079/9781800624498.0000">promoting sustainability</a>.”</p> <p>Yet, there are no easy answers, especially for elephants working in tourism. Moving them to sanctuaries is difficult because with no governmental or global welfare oversight, elephants may end up in worse conditions.</p> <p>Many kindhearted souls who want to “help” elephants know little about their biology and mental health needs, or what it takes to keep them healthy. Also, feeding large animals like Suju Kali is pricey, <a href="https://doi.org/10.3390/ani14010171">costing around $19,000 yearly</a>. So without profits from riding or other income, owners – or would-be rescuers – can’t maintain elephants. Releasing captive elephants to the jungle is not a choice – many have never learned to live in the wild, so they cannot survive on their own.</p> <h2>Hurting local people</h2> <p>Part of the problem lies with governments, as many have marketed tourism as a way to fund conservation projects. For example in Nepal, a percentage of ticket sales from elephant rides are given to community groups to use for forest preservation and support for local families.</p> <p>Increasing demand for <a href="https://www.routledge.com/Tourism-and-Animal-Ethics/Fennell/p/book/9781032431826">wildlife-based tourism</a> may increase traffic in the area and thus put pressure on local governments to further limit local people’s access to forest resources.</p> <p>This may also lead to <a href="https://www.worldanimalprotection.org/latest/news/un-world-tourism-organisation-urged-create-better-future-animals/">increased demands on local communities</a>, as was the case in Nepal. In the 1970s, the Nepalese government removed local people from their lands in what is now Chitwan National Park as part of increasing “conservation efforts” and changed the protected area’s boundaries. Indigenous “Tharu,” or people of the forest, were forced to abandon their villages and land. While some were offered access to “buffer zones” in the 1990s, many remain poor and landless today.</p> <p>In addition, more and more desirable land surrounding conservation areas in Nepal is being developed for tourist-based businesses such as hotels, restaurants and shops, <a href="http://dx.doi.org/10.3126/japfcsc.v2i1.26746">pushing local poor people farther away</a> from central village areas and the associated tourism income.</p> <p>Some activists would like humans to simply release all wildlife back into the wild, but <a href="https://www.cabidigitallibrary.org/doi/book/10.1079/9781800624498.0000">there are multiple issues</a> with that. Elephant habitats throughout Southeast Asia have been transformed into croplands, cities or train tracks for human use. Other problems arise from the fact that tourism elephants have <a href="https://doi.org/10.4324/9781315457413">never learned</a> how to be elephants in their natural elements, as they were <a href="https://www.pugetsound.edu/sites/default/files/file/8342_Journal%20of%20Tourism%20%282009%29_0.pdf">separated from their herds</a> at an early age.</p> <p>So tourism may be vital to providing food, care and shelter to captive elephants for the rest of their lives and providing jobs for those who really need them. Because elephants can live beyond 60 years, this can be a large commitment.</p> <h2>How to be an ethical tourist</h2> <p>To protect elephants, tourists should check out reviews and photos from any venue they want to visit, and look for clues that animal welfare might be impacted, such as tourists allowed to feed, hold or ride captive wildlife animals. Look for healthy animals, which means doing research on what “healthy” animals of that species should look like.</p> <p>If a venue lists no-touch demonstrations – “unnatural” behaviors that don’t mimic what an elephant might do of their own accord, such as sitting on a ball or riding a bike, or other performances – remember that the behind-the-scenes training used to achieve these behaviors can be <a href="https://doi.org/10.21832/9781845415051-014">violent, traumatic or coercive</a>.</p> <p>Another way to help people and elephant is to to use small, local companies to book your adventures in your area of interest, rather than paying large, international tourism agencies. Look for locally owned hotels, and wait to book excursions until you arrive so you can use local service providers. Book homestay programs and attend cultural events led by community members; talk to tourists and locals you meet in the target town to get their opinions, and use local guides who provide wildlife viewing opportunities <a href="https://nepaldynamicecotours.com/">while maintaining distance from animals</a>.</p> <p>Or tourists can ask to visit <a href="https://www.americanhumane.org/press-release/global-humane-launches-humane-tourism-certification-program/">venues that are certified</a> by international humane animal organizations and that <a href="https://www.su4e.org/">do not allow contact</a> with wildlife. Or they can opt for guided hikes, canoe or kayak experiences, and other environmentally friendly options.</p> <p>While these suggestions will not guarantee that your excursion is animal-friendly, they will help decrease your impact on wildlife, support local families and encourage venues to stop using elephants as entertainment. Those are good first steps.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/219792/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><em><a href="https://theconversation.com/profiles/michelle-szydlowski-1495781">Michelle Szydlowski</a>, Visiting Assistant Professor, Department of Biology, Project Dragonfly, <a href="https://theconversation.com/institutions/miami-university-1934">Miami University</a></em></p> <p><em>Image credits: Getty Images </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/elephant-tourism-often-involves-cruelty-here-are-steps-toward-more-humane-animal-friendly-excursions-219792">original article</a>.</em></p>

Travel Tips

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Olympic flame is lit at birthplace of ancient games

<p>The flame for the 2024 Paris Olympics was lit on Tuesday at the site of the ancient games in Ancient Olympia, southern Greece. </p> <p>Despite the gloomy weather which prevented the traditional lighting<span style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;">- which involves an ancient Greek priestess using the sun to ignite the torch after offering a prayer to Apollo, the ancient Greek sun god - actress Mary Mina, used a back up flame to kickstart the epic torch relay. </span></p> <p><span style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;">Normally, the </span>group of priestesses would use a parabolic mirror to light the torch using the sun's rays, but because of the cloudy skies, they had to use a back up flame that was kept in a copy of an ancient Greek pot and lit on the same spot during their final rehearsals on Monday. </p> <p>International Olympic Committee President Thomas Bach said the flame lighting combined "a pilgrimage to our past in ancient Olympia, and an act of faith in our future."</p> <p>A relay of torchbearers will carry the flame along a 5,000-kilometre route through Greece, including several islands, until the handover to Paris Games organisers in Athens on April 26.</p> <p>"In these difficult times ... with wars and conflicts on the rise, people are fed up with all the hate, the aggression and negative news," Bach said. </p> <p>"We are longing for something which brings us together; something that is unifying; something that gives us hope."</p> <p>Thousands of spectators from all over the world packed Olympia for the event, amid the ruins of temples and sports grounds where the ancient games were held from 776 BC - 393 AD.</p> <p>The first torchbearer was Greek rower Stefanos Douskos, who was a gold medalist in 2021, followed by Laure Manaudou, a French swimmer who won three medals at Athens in 2004. </p> <p>Manaudou then handed it over to a Greek senior European Union official, Margaritis Schinas. </p> <p>From Greece, the Olympic flame will travel from Athens' port of Piraeus on the Belem, a French three-masted sailing ship built in 1896 - the year that the first modern games began in Athens. </p> <p>On May 8, it's due in the southern French port of Marseille, a city founded by Greek colonists around 2600 years ago. </p> <p><em>Images: Getty</em></p> <p> </p>

International Travel

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Tiny ancient Christmas tree sells for thousands

<p>One of the world's first mass-produced Christmas trees has sold at auction for a whopping 56 times higher than its original purchase price. </p> <p>The tree was first bought in 1920 for just six pence, and was snapped up at the auction in England by an anonymous buyer for £3,400, or $6,433 AUD. </p> <p>The tree was described by the auctioneer as “the humblest Christmas tree in the world”, measuring just 79cm in height, boasting 25 branches, 12 berries and six mini candle holders.</p> <p>The tree sits in a small, red-painted wooden base with a simple decorative emblem.</p> <p>The Christmas tree was first bought by the family of eight-year-old Dorothy Grant in 1920, with Dorothy using it as her tree until she passed away at the age of 101. </p> <p>The tree is believed to have been bought from Woolworths, with Grant decorating the tree as a child with cotton wool to mimic snow, given that baubles were considered a luxury at the time.</p> <p>After Grant's passing in 2014, the charming tree was passed down to her daughter Shirley Hall, who was "parting with the tree now to honour her mother's memory and to ensure it survives as a humble reminder of 1920s life". </p> <p>It was expected to sell for between £60 and £80 (between $110 and $150 AUD) but was bought for the astonishing price of £3,411 when it went under the hammer at Hansons auctioneers on Friday.</p> <p>Charles Hanson, the owner of Hansons and a regular guest on the BBC’s <em>Bargain Hunt</em> said, “This is one of the earliest Christmas trees of its type we have seen. The humblest Christmas tree in the world has a new home and we’re delighted for both buyer and seller … I think it’s down to the power of nostalgia. Dorothy’s story resonated with people.”</p> <p>He added, “As simple as it was, Dorothy loved that tree. It became a staple part of family celebrations for decades. The fact that it brought such joy to Dorothy is humbling in itself. It reminds us that extravagance and excess are not required to capture the spirit of Christmas. For Dorothy it was enough to have a tree."</p> <p>“Some of the first artificial Christmas trees utilised machinery which had been designed to manufacture toilet brushes. The waste-not, want-not generations of old are still teaching us an important lesson about valuing the simple things and not replacing objects just for the sake of it."</p> <p><em>Image credits: Hansons Auctioneers</em></p>

Money & Banking

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If the world were coming to an end, what would be the most ethical way to rebuild humanity ‘off planet’?

<p><em><a href="https://theconversation.com/profiles/evie-kendal-734653">Evie Kendal</a>, <a href="https://theconversation.com/institutions/swinburne-university-of-technology-767">Swinburne University of Technology</a></em></p> <p>Last week, scientists announced that for the first time on record, Antarctic ice has failed to “substantially recover” over winter, in a “once in 7.5-million-year event”. Climate change is the <a href="https://theconversation.com/antarctica-is-missing-a-chunk-of-sea-ice-bigger-than-greenland-whats-going-on-210665">most likely culprit</a>.</p> <p>Petra Heil, a sea ice physicist from the Australian Antarctic Division, <a href="https://www.abc.net.au/news/2023-07-24/antarctic-sea-ice-levels-nosedive-five-sigma-event/102635204">told the ABC</a> it could tip the world into a new state. “That would be quite concerning to the sustainability of human conditions on Earth, I suspect.”</p> <p>And in March, a senior United Nations disarmament official <a href="https://press.un.org/en/2023/sc15250.doc.htm">told the Security Council</a> the risk of nuclear weapons being used today is higher than at any time since the end of the Cold War.</p> <p>Both warnings speak to concerns about Earth’s security. Will our planet be able to support human life in the future? And if not, will humanity have another chance at survival in space?</p> <h2>‘Billionauts’ and how to choose who goes</h2> <p>Over the past few years, we’ve witnessed the rise of the “billionaut”. The ultra-wealthy are engaged in a <a href="https://theconversation.com/billionaire-space-race-the-ultimate-symbol-of-capitalisms-flawed-obsession-with-growth-164511">private space race</a> costing billions of dollars, while <a href="https://www.forbes.com/sites/oliverwilliams1/2021/12/21/billionaire-space-race-turns-into-a-publicity-disaster/?sh=79056f7e5e4d">regular citizens often condemn</a> the wasted resources and contribution to global carbon emissions.</p> <p>Space – described in the <a href="https://www.unoosa.org/oosa/en/ourwork/spacelaw/treaties/introouterspacetreaty.html">Outer Space Treaty</a> as being the “province of all mankind” – risks instead becoming the playground of the elite few, as they try to escape the consequences of environmental destruction.</p> <p>But if we have to select humans to send into space for a species survival mission, how do we choose who gets to go?</p> <p>In Montreal last month, the <a href="https://irg.space/irg-2023/">Interstellar Research Group</a> explored the question: how would you select a crew for the first interstellar mission?</p> <p>A panel led by <a href="https://www.erikanesvold.com/">Erika Nesvold</a>, a co-editor of the new book <a href="https://global.oup.com/academic/product/reclaiming-space-9780197604793?cc=au&amp;lang=en&amp;">Reclaiming Space</a>, discussed the perspectives of gender minorities, people with disabilities and First Nations groups regarding the ideal composition for an off-world crew.</p> <p>I was on the panel to discuss my contribution to the book, which explores how we can promote procreation in our new off-world society, without diminishing the reproductive liberty of survivors.</p> <h2>The ultra-wealthy and reproductive slavery</h2> <p>The first step in deciding how to allocate limited spaces on our “lifeboat” is identifying and rejecting options that are practically or ethically unacceptable.</p> <p>The first option I rejected was a user-pay system, whereby the wealthy can purchase a seat on the lifeboat. A 2022 Oxfam report showed the investments of just 125 billionaires collectively contribute 393 million tonnes of carbon dioxide equivalent per year: <a href="https://www.oxfam.org/en/press-releases/billionaire-emits-million-times-more-greenhouse-gases-average-person#:%7E:text=Recent%20data%20from%20Oxfam's%20research,%C2%B0C%20goal%20of%20the">a million times more</a> than the average for most global citizens.</p> <p>If the ultra-wealthy are the only ones to survive an environmental apocalypse, there’s a risk they would just create another one, on another planet. This would undermine the species survival project.</p> <p>The second option I rejected was allowing a reproductive slave class to develop, with some survivors compelled to populate the new community. This would disproportionately impact cis-gender women of reproductive capacity, demanding their gestational labour in exchange for a chance at survival.</p> <p>Neither a user-pay system nor reproductive slave labour would achieve the goal of “saving humanity” in any meaningful way.</p> <p>Many would argue preserving human values - including equality, reproductive liberty, and respect for diversity - is more important than saving human biology. If we lose what makes us unique as a species, that would be a kind of extinction anyway.</p> <p>But if we want humanity to survive, we still need to build our population in our new home. So what other options do we have?</p> <h2>Reproduction and diversity</h2> <p>How can we avoid discrimination on the basis of reproductive capacity – including age, sexuality, <a href="https://theconversation.com/infertility-through-the-ages-and-how-ivf-changed-the-way-we-think-about-it-87128">fertility status</a> or personal preference?</p> <p>We could avoid any questions about family planning when selecting our crew. This would align with <a href="https://www.seek.com.au/career-advice/article/illegal-interview-questions-what-employers-have-no-right-to-ask">equal opportunity policies</a> in other areas, like employment. But we would then have to hope enough candidates selected on other merits happen to be willing and able to procreate.</p> <p>Alternatively, we could reserve a certain number of places for those who agree to contribute to population growth. Fertility would then become an inherent job requirement. This might be similar to taking on a role as a <a href="https://theconversation.com/surrogacy-laws-why-a-global-approach-is-needed-to-stop-exploitation-of-women-98966">surrogate</a>, in which reproductive capacity is essential.</p> <p>But what if, after accepting such a position on the mission, someone changed their mind about wanting children? Would they be expected to provide some sort of compensation? Would they be vulnerable to retaliation?</p> <p>The more we focus on procreation, the less diversity we will preserve in the species as a whole – especially if we deliberately select against diverse sexualities, disabilities and older people.</p> <p>A lack of diversity would also threaten the long-term viability of the new society. For example, even if we exclude all physiologically or socially infertile people from the initial crew, these traits will reappear in future generations.</p> <p>The difference is: these children would be born into a less accepting community. Cooperation will be essential for the new human society – so promoting hostility would be counterproductive.</p> <p>So, what options are left? Using a random global sample to select travellers might alleviate concerns about equity and fairness. But the ability of a random sample to maximise our survival as a species would depend on how large the sample can be.</p> <p>A global sample would minimise bias. But there’s a risk it might yield a crew without doctors, engineers, farmers or other essential personnel.</p> <h2>Random selection versus a points-based system</h2> <p>The best balance between competing needs might be a stratified random sampling method, involving randomly selecting survivors from predetermined categories. Reproductive potential might be one category. Others might focus on other elements of practical usefulness or contribution to human diversity.</p> <p>Another option is a points-based system, whereby different skills and characteristics are ranked in terms of their desirability. In this system, an elderly person who speaks multiple languages may score higher than a physiologically fertile young person, due to their ability to substantially contribute to language preservation and education.</p> <p>This does not entirely eliminate the potential for discrimination, of course. Someone would need to decide which traits are most desirable and valuable to the new human society.</p> <p>However we determine our lifeboat candidates, it should be carefully considered. In our attempt to “save humanity”, we must avoid sacrificing the very things that make us human.</p> <hr /> <p><em>Evie Kendal is a contributor to <a href="https://global.oup.com/academic/product/reclaiming-space-9780197604793?cc=au&amp;lang=en&amp;">Reclaiming Space: Progressive and Multicultural Visions of Space Exploration</a> (Oxford University Press)<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/210647/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></em></p> <p><em><a href="https://theconversation.com/profiles/evie-kendal-734653">Evie Kendal</a>, Senior lecturer of health promotion, <a href="https://theconversation.com/institutions/swinburne-university-of-technology-767">Swinburne University of Technology</a></em></p> <p><em>Image credits: Getty Images</em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/if-the-world-were-coming-to-an-end-what-would-be-the-most-ethical-way-to-rebuild-humanity-off-planet-210647">original article</a>.</em></p>

Travel Trouble

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10 reasons humans kill animals – and why we can’t avoid it

<p><em><a href="https://theconversation.com/profiles/benjamin-allen-100036">Benjamin Allen</a>, <a href="https://theconversation.com/institutions/university-of-southern-queensland-1069"><em>University of Southern Queensland</em></a></em></p> <p>As long as humans have existed, they’ve killed animals. But the necessity of some types of animal killing are now questioned by many. So can humans ever stop killing animals entirely? And if not, what’s the best way forward?</p> <p><a href="https://www.sciencedirect.com/science/article/pii/S0048969723039062">New research</a> I led investigates these questions. My colleagues and I identified the ten main reasons why humans kill animals. We found the need for some types of animal killing is questionable, but several forms are inescapable – a necessary part of humanity’s involvement in a single, functioning, finite global food web.</p> <p>But the debate doesn’t end there. Even if humans must kill animals in some cases, they can modify their behaviours to improve the welfare of animals while they are alive, and to reduce an animal’s suffering when it is killed.</p> <p>Doing so may improve the lives of animals to a greater extent than efforts to eliminate human killing entirely.</p> <h2>Why humans kill animals</h2> <p>Critics of animal-killing come from a variety of perspectives. Some oppose it on <a href="http://refhub.elsevier.com/S0048-9697(23)03906-2/rf0005">moral grounds</a>. Others claim animals should have <a href="https://conbio.onlinelibrary.wiley.com/doi/10.1111/cobi.13494">rights equal</a> to humans, and say animal killing is a criminal act. Many people view any animal killing as <a href="https://conbio.onlinelibrary.wiley.com/doi/10.1111/cobi.13126">cruel</a>, regardless of whether the animal suffers.</p> <p>But as valid and important as these views might be, they largely fail to address <em>why</em> humans kill animals – and why in many cases, it can’t be avoided. Our research sought to shed light on this.</p> <p>We focus our discussion on vertebrate animals which are almost universally recognised as “sentient” (or able to perceive and feel things). We identified ten main reasons humans kill animals:</p> <p><strong>1. Wild harvest or food acquisition:</strong> such as killing wild animals for meat</p> <p><strong>2. Human health and safety:</strong> such as reactively killing an animal when it attacks you</p> <p><strong>3. Agriculture and aquaculture:</strong> such as killing that occurs in the global meat industries, or killing required to produce crops</p> <p><strong>4. Urbanisation and industrialisation:</strong> such as clearing bushland to build homes</p> <p><strong>5. Wildlife control:</strong> such as programs that eradicate introduced animals to stop them killing native ones</p> <p><strong>6. Threatened species conservation:</strong> such as unintentionally killing animals when relocating them</p> <p><strong>7. Recreation, sport or entertainment:</strong> such as trophy hunting or bull fighting, and animal killing required to feed domestic pets</p> <p><strong>8. Mercy or compassion:</strong> such as euthanasing an animal hit by a car</p> <p><strong>9. Cultural and religious practice:</strong> such as animal sacrifice during the Islamic celebration of <a href="https://www.theguardian.com/world/2023/jul/01/sydney-muslims-take-eid-al-adha-livestock-sacrifice-into-their-own-hands">Eid al-Adha</a>, or those associated with the <a href="https://www.jstor.org/stable/1594756">Yoruba</a> religion of West Africa</p> <p><strong>10. Research, education and testing:</strong> such as the laboratory use of rodents or primates.</p> <h2>Understanding human killing behaviour</h2> <p>So how best should we understand the above types of animal killing? Our research considers them in ecological terms – as behaviours consistent with our predatory and competitive roles in the global food web. Such behaviours are intended to improve human prospects for acquiring food or to protect and enhance life. These are innate life objectives for any sentient animal.</p> <p>Maintenance of all life on Earth requires obtaining, using, disposing of and recycling chemical elements. Ecosystems can be thought of as a “battleground” for these elements.</p> <p><a href="https://theconversation.com/peter-singers-fresh-take-on-animal-liberation-a-book-that-changed-the-world-but-not-enough-205830">Some people argue</a> that directly killing animals is unacceptable, or that adopting certain lifestyles or diets, such as veganism, can eliminate or greatly reduce animal killing. But in our view, achieving a no-killing lifestyle is a physical and ecological impossibility.</p> <p>For instance, most plant foods come from crops grown on land where animals have been <a href="https://www.mdpi.com/2076-2615/11/5/1225">killed or displaced</a>. And while an animal-free diet for humans might temporarily reduce the number of animals killed, this won’t last forever. As human populations continue to grow, more land will eventually be needed to meet their food requirements. At that point, humans will have to directly or indirectly kill animals again or risk dying themselves.</p> <p>Humans also need space to live, which <a href="https://www.sciencedirect.com/science/article/pii/S0048969723039062?ref=pdf_download&amp;fr=RR-2&amp;rr=7e2e8f44ae1aaae3#bbb1045">results in</a> animal killing when habitat is razed.</p> <p>Of course, in rare cases an individual human may live without killing animals directly. Perhaps they live in a cave in the forest, and get sustenance from wild berries and mushrooms. But that human still lives inside the food web, and is competing against other animals for finite resources. In these cases, other animals may suffer and die because the human’s use of berries and caves leaves less food and space for them.</p> <p>Even if that human could do no harm at all to any animal, it’s still impossible for societies at large to live in this way.</p> <p>Some forms of animal killing are certainly not essential for human existence. Good examples are recreational hunting, euthanasia or keeping pets (which requires killing animals to feed them). And we certainly do not condone direct human participation in all forms of animal killing.</p> <p>It’s also important to note that in many cases, current levels of animal killing are <a href="https://www.opsociety.org/stop-unsustainable-fishing/">unsustainable</a>. Human populations have increased to the point where animals must be killed on enormous scales to feed, house and protect ourselves. If this continues, animal <a href="https://www.sciencedirect.com/science/article/pii/S0048969723039062?ref=pdf_download&amp;fr=RR-2&amp;rr=7e2e8f44ae1aaae3#bbb0905">populations</a> will <a href="https://www.sciencedirect.com/science/article/pii/S0048969723039062?ref=pdf_download&amp;fr=RR-2&amp;rr=7e2e8f44ae1aaae3#bbb0910">crash</a> – and with them, human populations.</p> <p>Nevertheless, we maintain that the overall necessity of animal killing is an unavoidable reality for humanity as a whole. A variety of direct and indirect forms of animal killing will undoubtedly remain an ongoing human endeavour.</p> <h2>Taking responsibility</h2> <p>So what are the implications of all this? We hope our research leads to a constructive dialogue, which starts with accepting that human existence on Earth is dependent on animal killing. It should then focus on the nuances of animal welfare and sustainability.</p> <p>Humans are the only known animals with an ethical or moral conscience. That means we have <a href="https://www.sciencedirect.com/science/article/pii/S0048969723039062?ref=pdf_download&amp;fr=RR-2&amp;rr=7e2e8f44ae1aaae3#bbb0650">a responsibility</a> to assume a stewardship role over all other animals, to resolve negative interactions between them as best as possible, and to ensure good welfare for as many animals as we can.</p> <p>Directing our attention in this way is likely to improve the lives of animals to a greater extent than trying to prevent humans from killing animals altogether – efforts my colleagues and I believe will ultimately be in vain.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/209218/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><a href="https://theconversation.com/profiles/benjamin-allen-100036"><em>Benjamin Allen</em></a><em>, Wildlife ecologist, <a href="https://theconversation.com/institutions/university-of-southern-queensland-1069">University of Southern Queensland</a></em></p> <p><em>Image credits: Getty Images</em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/10-reasons-humans-kill-animals-and-why-we-cant-avoid-it-209218">original article</a>.</em></p>

Family & Pets

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"Possibly carcinogenic to humans": WHO's dire warning over common ingredient

<p dir="ltr">The World Health Organisation (WHO) has called for one of the world’s most popular artificial sweeteners to be declared a possible carcinogen. </p> <p dir="ltr">The push will be led by the WHO’s research team for the International Agency for Research on Cancer (IARC), pitting it against the food industry and regulators.</p> <p dir="ltr">The sweetener, known as Aspartame, is used in products from Coca-Cola diet drinks, such as Diet Coke and Coke Zero, to Mars’ Extra chewing gum and some Snapple drinks.</p> <p dir="ltr">Later this month, the IARC will list Aspartame for the first time as “possibly carcinogenic to humans”</p> <p dir="ltr">The ruling from the IARC has assessed whether the sweetener is hazardous to humans or not, although it does not stipulate how much of the product a person can safely consume. </p> <p dir="ltr">This advice for individual consumers comes from a different organisation, known as JECFA (the Joint WHO and Food and Agriculture Organisation’s Expert Committee on Food Additives), who make consumption guidelines alongside national regulators. </p> <p dir="ltr">Despite the claims from the WHO, since as early as 1981 JECFA has said aspartame is safe to consume within accepted daily limits.</p> <p dir="ltr">An adult weighing 60kg would have to drink between 12 and 36 cans of diet soft drink, depending on the amount of aspartame in the beverage, every day to be at risk.</p> <p dir="ltr">Its view has been widely shared by national regulators, including in the United States and Europe.</p> <p dir="ltr">These conflicting reports have angered some regulators and consumers alike, with Japan’s Ministry of Health, Labour and Welfare official Nozomi Tomita writing to the WHO, “kindly asking both bodies to coordinate their efforts in reviewing aspartame to avoid any confusion or concerns among the public.”</p> <p dir="ltr"><em>Image credits: Getty Images</em></p>

Body

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Human remains found in search for missing actor

<p>Californian hikers have discovered human remains in the wilderness area where actor Julian Sands disappeared more than five months ago, according to authorities.</p> <p>Officials have not yet identified the victim.</p> <p>The remains were transported to the coroner’s office for confirmation, which is expected to be completed next week, <em>The New York Post</em> reported.</p> <p>Sands was reported missing on January 13 after he failed to return from a hiking trip in Mount Baldy, located about 72 kilometres east of Los Angeles.</p> <p>The search – consisting of 80 volunteers and officials – resumed on June 12 after a temporary suspension.</p> <p>Police have conducted eight ground and air searches since the actor's disappearance on the mountain.</p> <p>“Despite the recent warmer weather, portions of the mountain remain inaccessible due to extreme alpine conditions. Multiple areas include steep terrain and ravines, which still have 10-plus feet [about 16 metres] of ice and snow,” San Bernardino County Sheriff’s Office said.</p> <p>Sands’ family spoke publicly for the first time since he vanished, releasing a statement on June 23 to express their gratitude for the ongoing search and rescue efforts.</p> <p>“We are deeply grateful to the search teams and co-ordinators who have worked tirelessly to find Julian,” the family said.</p> <p>“We continue to hold Julian in our hearts, with bright memories of him as a wonderful father, husband, explorer, lover of the natural world and the arts, and as an original and collaborative performer.”</p> <p>Sands is known for starring in films such as Arachnophobia, A Room with a View, Warlock and Leaving Las Vegas.</p> <p>Mt. Baldy is renowned for being one of the most dangerous peaks to climb in California.</p> <p>According to the<em> Los Angeles Times</em>, six people have died with crews conducting over 100 searches as daredevils and avid hikers alike are drawn to the daunting challenge of the more-than-16,000 metre climb.</p> <p>In January, officials found hiker Jin Chung, 75, who had become lost on Mount Baldy and was hospitalised with a leg injury and other weather-related injuries.</p> <p>Before Chung’s brief disappearance, a mother of four fell more than 500 to 700 feet to her death.</p> <p>Crystal Paula Gonzalez, renowned as a “hiking queen”, slipped on the steep icy hillside and later died from her injuries, officials reported.</p> <p><em>Image credit: Facebook / Getty</em></p>

News

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A brief history of the mortgage, from its roots in ancient Rome to the English ‘dead pledge’ and its rebirth in America

<p>The average interest rate for a new U.S. <a href="https://www.cbsnews.com/news/home-loan-mortgage-interest-rate-7-percent-highest-since-2001/">30-year fixed-rate mortgage topped 7% in late October 2022</a> for the first time in more than two decades. It’s a sharp increase from one year earlier, when <a href="https://www.valuepenguin.com/mortgages/historical-mortgage-rates">lenders were charging homebuyers only 3.09%</a> for the same kind of loan. </p> <p>Several factors, including <a href="https://www.nerdwallet.com/article/mortgages/fed-mortgage-rates">inflation rates and the general economic outlook</a>, influence mortgage rates. A primary driver of the ongoing upward spiral is the <a href="https://abc7chicago.com/fed-interest-rate-decision-today-hike-federal-reserve-meeting-november/12408055/">Federal Reserve’s series of interest rate hikes</a> intended to tame inflation. Its decision to increase the benchmark rate by <a href="https://www.federalreserve.gov/newsevents/pressreleases/monetary20221102a.htm">0.75 percentage points on Nov. 2, 2022</a>, to as much as 4% will propel the cost of mortgage borrowing even higher.</p> <p>Even if you have had mortgage debt for years, you might be unfamiliar with the history of these loans – a subject I cover <a href="https://scholar.google.com/citations?user=KVv47noAAAAJ&amp;hl=en&amp;oi=ao">in my mortgage financing course</a> for undergraduate business students at Mississippi State University.</p> <p>The term dates back to <a href="https://www.english-heritage.org.uk/learn/story-of-england/medieval/">medieval England</a>. But the roots of these legal contracts, in which land is pledged for a debt and will become the property of the lender if the loan is not repaid, go back thousands of years.</p> <h2>Ancient roots</h2> <p>Historians trace the <a href="https://www.kingjamesbibleonline.org/Nehemiah-5-3/">origins of mortgage contracts</a> to the reign of King Artaxerxes of Persia, who ruled modern-day Iran in the fifth century B.C. The Roman Empire formalized and documented the legal process of pledging collateral for a loan. </p> <p>Often using the <a href="https://www.biblegateway.com/passage/?search=John%202%3A13-16&amp;version=NIV">forum and temples as their base of operations</a>, mensarii, which is derived from the word mensa or “bank” in Latin, would set up loans and charge <a href="https://www.biblegateway.com/passage/?search=John%202%3A13-16&amp;version=NIV">borrowers interest</a>. These government-appointed public bankers required the borrower to put up collateral, whether real estate or personal property, and their agreement regarding the use of the collateral would be handled in one of three ways. </p> <p>First, the <a href="https://www.merriam-webster.com/dictionary/fiducia">Fiducia</a>, Latin for “trust” or “confidence,” required the transfer of both ownership and possession to lenders until the debt was repaid in full. Ironically, this arrangement involved no trust at all.</p> <p>Second, the <a href="https://www.merriam-webster.com/dictionary/pignus">Pignus</a>, Latin for “pawn,” allowed borrowers to retain ownership while <a href="https://scholarship.law.upenn.edu/cgi/viewcontent.cgi?referer=https://www.google.com/&amp;httpsredir=1&amp;article=1684&amp;context=penn_law_review">sacrificing possession and use</a> until they repaid their debts. </p> <p>Finally, the <a href="https://legaldictionary.lawin.org/hypotheca/">Hypotheca</a>, Latin for “pledge,” let borrowers retain both ownership and possession while repaying debts. </p> <h2>The living-versus-dead pledge</h2> <p><a href="https://www.britannica.com/biography/Claudius-Roman-emperor">Emperor Claudius</a> brought Roman law and customs to Britain in A.D. 43. Over the next <a href="https://www.english-heritage.org.uk/learn/story-of-england/romans/">four centuries of Roman rule</a> and the <a href="https://www.english-heritage.org.uk/learn/story-of-england/early-medieval/">subsequent 600 years known as the Dark Ages</a>, the British adopted another Latin term for a pledge of security or collateral for loans: <a href="https://worldofdictionary.com/dict/latin-english/meaning/vadium">Vadium</a>.</p> <p>If given as collateral for a loan, real estate could be offered as “<a href="https://www.merriam-webster.com/dictionary/vadium%20vivum">Vivum Vadium</a>.” The literal translation of this term is “living pledge.” Land would be temporarily pledged to the lender who used it to generate income to pay off the debt. Once the lender had collected enough income to cover the debt and some interest, the land would revert back to the borrower.</p> <p>With the alternative, the “<a href="https://www.merriam-webster.com/dictionary/mortuum%20vadium">Mortuum Vadium</a>” or “dead pledge,” land was pledged to the lender until the borrower could fully repay the debt. It was, essentially, an interest-only loan with full principal payment from the borrower required at a future date. When the lender demanded repayment, the borrower had to pay off the loan or lose the land. </p> <p>Lenders would keep proceeds from the land, be it income from farming, selling timber or renting the property for housing. In effect, the land was <a href="https://www.jstor.org/stable/pdf/1321129.pdf">dead to the debtor</a> during the term of the loan because it provided no benefit to the borrower. </p> <p>Following <a href="https://www.royal.uk/william-the-conqueror">William the Conqueror’s victory</a> at the Battle of Hastings in 1066, the English language was heavily influenced by <a href="https://blocs.mesvilaweb.cat/subirats/the-norman-conquest-the-influence-of-french-on-the-english-language-loans-and-calques/">Norman French</a> – William’s language.</p> <p>That is how the Latin term “Mortuum Vadium” morphed into “Mort Gage,” Norman French for “dead” and “pledge.” “<a href="https://www.etymonline.com/word/mortgage">Mortgage</a>,” a <a href="https://ia600201.us.archive.org/1/items/cu31924021674399/cu31924021674399.pdf">mashup of the two words</a>, then entered the English vocabulary.</p> <h2>Establishing rights of borrowers</h2> <p>Unlike today’s mortgages, which are usually due within 15 or 30 years, English loans in the 11th-16th centuries were unpredictable. <a href="https://www.jstor.org/stable/pdf/1323192.pdf">Lenders could demand repayment</a> at any time. If borrowers couldn’t comply, lenders could seek a court order, and the land would be forfeited by the borrower to the lender. </p> <p>Unhappy borrowers could <a href="https://www.law.cornell.edu/wex/chancery">petition the king</a> regarding their predicament. He could refer the case to the lord chancellor, who could <a href="https://www.britannica.com/topic/Chancery-Division">rule as he saw fit</a>. </p> <p><a href="https://www.britannica.com/biography/Francis-Bacon-Viscount-Saint-Alban">Sir Francis Bacon</a>, England’s lord chancellor from 1618 to 1621, <a href="https://www.jstor.org/stable/752041">established</a> the <a href="https://www.law.cornell.edu/wex/equity_of_redemption">Equitable Right of Redemption</a>.</p> <p>This new right allowed borrowers to pay off debts, even after default.</p> <p>The official end of the period to redeem the property was called <a href="https://www.law.cornell.edu/wex/foreclosure">foreclosure</a>, which is derived from an Old French word that means “<a href="https://www.etymonline.com/word/foreclose">to shut out</a>.” Today, foreclosure is a legal process in which lenders to take possession of property used as collateral for a loan. </p> <h2>Early US housing history</h2> <p>The <a href="https://www.loc.gov/classroom-materials/united-states-history-primary-source-timeline/colonial-settlement-1600-1763/overview/">English colonization</a> of what’s now <a href="https://themayflowersociety.org/history/the-mayflower-compact/">the United States</a> didn’t immediately transplant mortgages across the pond. </p> <p>But eventually, U.S. financial institutions were offering mortgages.</p> <p><a href="https://www.huduser.gov/publications/pdf/us_evolution.pdf">Before 1930, they were small</a> – generally amounting to at most half of a home’s market value.</p> <p>These loans were generally short-term, maturing in under 10 years, with payments due only twice a year. Borrowers either paid nothing toward the principal at all or made a few such payments before maturity.</p> <p>Borrowers would have to refinance loans if they couldn’t pay them off.</p> <h2>Rescuing the housing market</h2> <p>Once America fell into the <a href="https://www.history.com/topics/great-depression">Great Depression</a>, the <a href="https://www.stlouisfed.org/news-releases/2008/05/02/does-the-great-depression-hold-the-answers-for-the-current-mortgage-distress">banking system collapsed</a>. </p> <p>With most homeowners unable to pay off or refinance their mortgages, the <a href="https://www.federalreservehistory.org/essays/great-depression">housing market crumbled</a>. The number of <a href="https://www.encyclopedia.com/education/news-and-education-magazines/housing-1929-1941">foreclosures grew to over 1,000 per day by 1933</a>, and housing prices fell precipitously. </p> <p>The <a href="https://www.fhfaoig.gov/Content/Files/History%20of%20the%20Government%20Sponsored%20Enterprises.pdf">federal government responded by establishing</a> new agencies to stabilize the housing market.</p> <p>They included the <a href="https://www.hud.gov/program_offices/housing/fhahistory">Federal Housing Administration</a>. It provides <a href="https://www.consumerfinance.gov/ask-cfpb/what-is-mortgage-insurance-and-how-does-it-work-en-1953/">mortgage insurance</a> – borrowers pay a small fee to protect lenders in the case of default. </p> <p>Another new agency, the <a href="https://sf.freddiemac.com/articles/insights/why-americas-homebuyers-communities-rely-on-the-30-year-fixed-rate-mortgage">Home Owners’ Loan Corp.</a>, established in 1933, bought defaulted short-term, semiannual, interest-only mortgages and transformed them into new long-term loans lasting 15 years.</p> <p>Payments were monthly and self-amortizing – covering both principal and interest. They were also fixed-rate, remaining steady for the life of the mortgage. Initially they skewed more heavily toward interest and later defrayed more principal. The corporation made new loans for three years, tending to them until it <a href="https://content.time.com/time/subscriber/article/0,33009,858135,00.html">closed in 1951</a>. It pioneered long-term mortgages in the U.S.</p> <p>In 1938 Congress established the Federal National Mortgage Association, better known as <a href="https://www.fanniemae.com/about-us/who-we-are/history">Fannie Mae</a>. This <a href="https://www.financial-dictionary.info/terms/government-sponsored-enterprise/">government-sponsored enterprise</a> made fixed-rate long-term mortgage loans viable <a href="https://www.investopedia.com/terms/s/securitization.asp">through a process called securitization</a> – selling debt to investors and using the proceeds to purchase these long-term mortgage loans from banks. This process reduced risks for banks and encouraged long-term mortgage lending.</p> <h2>Fixed- versus adjustable-rate mortgages</h2> <p>After World War II, Congress authorized the Federal Housing Administration to insure <a href="https://www.govinfo.gov/content/pkg/CPRT-108HPRT92629/html/CPRT-108HPRT92629.htm">30-year loans on new construction</a> and, a few years later, purchases of existing homes. But then, the <a href="https://files.stlouisfed.org/files/htdocs/publications/review/69/09/Historical_Sep1969.pdf">credit crunch of 1966</a> and the years of high inflation that followed made adjustable-rate mortgages more popular.</p> <p>Known as ARMs, these mortgages have stable rates for only a few years. Typically, the initial rate is significantly lower than it would be for 15- or 30-year fixed-rate mortgages. Once that initial period ends, <a href="https://www.investopedia.com/terms/a/arm.asp">interest rates on ARMs</a> get adjusted up or down annually – along with monthly payments to lenders. </p> <p>Unlike the rest of the world, where ARMs prevail, Americans still prefer the <a href="https://sf.freddiemac.com/articles/insights/why-americas-homebuyers-communities-rely-on-the-30-year-fixed-rate-mortgage">30-year fixed-rate mortgage</a>.</p> <p>About <a href="https://data.census.gov/cedsci/table?q=DP04&amp;t=Housing">61% of American homeowners</a> have mortgages today – with <a href="https://doi.org/10.1080/15214842.2020.1757357">fixed rates the dominant type</a>.</p> <p>But as interest rates rise, demand for <a href="https://www.corelogic.com/intelligence/interest-rates-are-up-but-arm-backed-home-purchases-are-way-up/">ARMs is growing</a> again. If the Federal Reserve fails to slow inflation and interest rates continue to climb, unfortunately for some ARM borrowers, the term “dead pledge” may live up to its name.</p> <p><em>Image credits: Getty Images</em></p> <p><em>This article originally appeared on <a href="https://theconversation.com/a-brief-history-of-the-mortgage-from-its-roots-in-ancient-rome-to-the-english-dead-pledge-and-its-rebirth-in-america-193005" target="_blank" rel="noopener">The Conversation</a>. </em></p>

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Will AI ever reach human-level intelligence? We asked 5 experts

<p>Artificial intelligence has changed form in recent years.</p> <p>What started in the public eye as a burgeoning field with promising (yet largely benign) applications, has snowballed into a <a href="https://www.grandviewresearch.com/industry-analysis/artificial-intelligence-ai-market">more than US$100 billion</a> industry where the heavy hitters – Microsoft, Google and OpenAI, to name a few – seem <a href="https://theconversation.com/bard-bing-and-baidu-how-big-techs-ai-race-will-transform-search-and-all-of-computing-199501">intent on out-competing</a> one another.</p> <p>The result has been increasingly sophisticated large language models, often <a href="https://theconversation.com/everyones-having-a-field-day-with-chatgpt-but-nobody-knows-how-it-actually-works-196378">released in haste</a> and without adequate testing and oversight. </p> <p>These models can do much of what a human can, and in many cases do it better. They can beat us at <a href="https://theconversation.com/an-ai-named-cicero-can-beat-humans-in-diplomacy-a-complex-alliance-building-game-heres-why-thats-a-big-deal-195208">advanced strategy games</a>, generate <a href="https://theconversation.com/ai-art-is-everywhere-right-now-even-experts-dont-know-what-it-will-mean-189800">incredible art</a>, <a href="https://theconversation.com/breast-cancer-diagnosis-by-ai-now-as-good-as-human-experts-115487">diagnose cancers</a> and compose music.</p> <p>There’s no doubt AI systems appear to be “intelligent” to some extent. But could they ever be as intelligent as humans? </p> <p>There’s a term for this: artificial general intelligence (AGI). Although it’s a broad concept, for simplicity you can think of AGI as the point at which AI acquires human-like generalised cognitive capabilities. In other words, it’s the point where AI can tackle any intellectual task a human can.</p> <p>AGI isn’t here yet; current AI models are held back by a lack of certain human traits such as true creativity and emotional awareness. </p> <p>We asked five experts if they think AI will ever reach AGI, and five out of five said yes.</p> <p>But there are subtle differences in how they approach the question. From their responses, more questions emerge. When might we achieve AGI? Will it go on to surpass humans? And what constitutes “intelligence”, anyway? </p> <p>Here are their detailed responses. </p> <p><strong>Paul Formosa: AI and Philosophy of Technology</strong></p> <p>AI has already achieved and surpassed human intelligence in many tasks. It can beat us at strategy games such as Go, chess, StarCraft and Diplomacy, outperform us on many <a href="https://www.nature.com/articles/s41467-022-34591-0" target="_blank" rel="noopener">language performance</a>benchmarks, and write <a href="https://www.theatlantic.com/technology/archive/2022/12/chatgpt-ai-writing-college-student-essays/672371/" target="_blank" rel="noopener">passable undergraduate</a> university essays. </p> <p>Of course, it can also make things up, or “hallucinate”, and get things wrong – but so can humans (although not in the same ways). </p> <p>Given a long enough timescale, it seems likely AI will achieve AGI, or “human-level intelligence”. That is, it will have achieved proficiency across enough of the interconnected domains of intelligence humans possess. Still, some may worry that – despite AI achievements so far – AI will not really be “intelligent” because it doesn’t (or can’t) understand what it’s doing, since it isn’t conscious. </p> <p>However, the rise of AI suggests we can have intelligence without consciousness, because intelligence can be understood in functional terms. An intelligent entity can do intelligent things such as learn, reason, write essays, or use tools. </p> <p>The AIs we create may never have consciousness, but they are increasingly able to do intelligent things. In some cases, they already do them at a level beyond us, which is a trend that will likely continue.</p> <p><strong>Christina Maher: Computational Neuroscience and Biomedical Engineering</strong></p> <p>AI will achieve human-level intelligence, but perhaps not anytime soon. Human-level intelligence allows us to reason, solve problems and make decisions. It requires many cognitive abilities including adaptability, social intelligence and learning from experience. </p> <p>AI already ticks many of these boxes. What’s left is for AI models to learn inherent human traits such as critical reasoning, and understanding what emotion is and which events might prompt it. </p> <p>As humans, we learn and experience these traits from the moment we’re born. Our first experience of “happiness” is too early for us to even remember. We also learn critical reasoning and emotional regulation throughout childhood, and develop a sense of our “emotions” as we interact with and experience the world around us. Importantly, it can take many years for the human brain to develop such intelligence. </p> <p>AI hasn’t acquired these capabilities yet. But if humans can learn these traits, AI probably can too – and maybe at an even faster rate. We are still discovering how AI models should be built, trained, and interacted with in order to develop such traits in them. Really, the big question is not if AI will achieve human-level intelligence, but when – and how.</p> <p><strong>Seyedali Mirjalili: AI and Swarm Intelligence</strong></p> <p>I believe AI will surpass human intelligence. Why? The past offers insights we can't ignore. A lot of people believed tasks such as playing computer games, image recognition and content creation (among others) could only be done by humans – but technological advancement proved otherwise. </p> <p>Today the rapid advancement and adoption of AI algorithms, in conjunction with an abundance of data and computational resources, has led to a level of intelligence and automation previously unimaginable. If we follow the same trajectory, having more generalised AI is no longer a possibility, but a certainty of the future. </p> <p>It is just a matter of time. AI has advanced significantly, but not yet in tasks requiring intuition, empathy and creativity, for example. But breakthroughs in algorithms will allow this. </p> <p>Moreover, once AI systems achieve such human-like cognitive abilities, there will be a snowball effect and AI systems will be able to improve themselves with minimal to no human involvement. This kind of “automation of intelligence” will profoundly change the world. </p> <p>Artificial general intelligence remains a significant challenge, and there are ethical and societal implications that must be addressed very carefully as we continue to advance towards it.</p> <p><strong>Dana Rezazadegan: AI and Data Science</strong></p> <p>Yes, AI is going to get as smart as humans in many ways – but exactly how smart it gets will be decided largely by advancements in <a href="https://thequantuminsider.com/2020/01/23/four-ways-quantum-computing-will-change-artificial-intelligence-forever/" target="_blank" rel="noopener">quantum computing</a>. </p> <p>Human intelligence isn’t as simple as knowing facts. It has several aspects such as creativity, emotional intelligence and intuition, which current AI models can mimic, but can’t match. That said, AI has advanced massively and this trend will continue. </p> <p>Current models are limited by relatively small and biased training datasets, as well as limited computational power. The emergence of quantum computing will transform AI’s capabilities. With quantum-enhanced AI, we’ll be able to feed AI models multiple massive datasets that are comparable to humans’ natural multi-modal data collection achieved through interacting with the world. These models will be able to maintain fast and accurate analyses. </p> <p>Having an advanced version of continual learning should lead to the development of highly sophisticated AI systems which, after a certain point, will be able to improve themselves without human input. </p> <p>As such, AI algorithms running on stable quantum computers have a high chance of reaching something similar to generalised human intelligence – even if they don’t necessarily match every aspect of human intelligence as we know it.</p> <p><strong>Marcel Scharth: Machine Learning and AI Alignment</strong></p> <p>I think it’s likely AGI will one day become a reality, although the timeline remains highly uncertain. If AGI is developed, then surpassing human-level intelligence seems inevitable. </p> <p>Humans themselves are proof that highly flexible and adaptable intelligence is allowed by the laws of physics. There’s no <a href="https://en.wikipedia.org/wiki/Church%E2%80%93Turing_thesis" target="_blank" rel="noopener">fundamental reason</a> we should believe that machines are, in principle, incapable of performing the computations necessary to achieve human-like problem solving abilities. </p> <p>Furthermore, AI has <a href="https://philarchive.org/rec/SOTAOA" target="_blank" rel="noopener">distinct advantages</a> over humans, such as better speed and memory capacity, fewer physical constraints, and the potential for more rationality and recursive self-improvement. As computational power grows, AI systems will eventually surpass the human brain’s computational capacity. </p> <p>Our primary challenge then is to gain a better understanding of intelligence itself, and knowledge on how to build AGI. Present-day AI systems have many limitations and are nowhere near being able to master the different domains that would characterise AGI. The path to AGI will likely require unpredictable breakthroughs and innovations. </p> <p>The median predicted date for AGI on <a href="https://www.metaculus.com/questions/5121/date-of-artificial-general-intelligence/" target="_blank" rel="noopener">Metaculus</a>, a well-regarded forecasting platform, is 2032. To me, this seems too optimistic. A 2022 <a href="https://aiimpacts.org/2022-expert-survey-on-progress-in-ai/" target="_blank" rel="noopener">expert survey</a> estimated a 50% chance of us achieving human-level AI by 2059. I find this plausible.</p> <p><em>Image credits: Shutterstock</em></p> <p><em>This article originally appeared on <a href="https://theconversation.com/will-ai-ever-reach-human-level-intelligence-we-asked-5-experts-202515" target="_blank" rel="noopener">The Conversation</a>. </em></p>

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Humans are still hunting for aliens. Here’s how astronomers are looking for life beyond Earth

<p>We have long been fascinated with the idea of alien life. The earliest written record presenting the idea of “aliens” is seen in the satiric work of Assyrian writer <a href="https://blogs.scientificamerican.com/life-unbounded/the-first-alien/">Lucian of Samosata</a> dated to 200 AD.</p> <p>In one novel, Lucian <a href="https://www.yorku.ca/inpar/lucian_true_tale.pdf">writes of a journey to the Moon</a> and the bizarre life he imagines living there – everything from three-headed vultures to fleas the size of elephants.</p> <p>Now, 2,000 years later, we still write stories of epic adventures beyond Earth to meet otherworldly beings (<a href="https://www.britannica.com/topic/The-Hitchhikers-Guide-to-the-Galaxy-novel-by-Adams">Hitchhiker’s Guide</a>, anyone?). Stories like these entertain and inspire, and we are forever trying to find out if science fiction will become science fact.</p> <h2>Not all alien life is the same</h2> <p>When looking for life beyond Earth, we are faced with two possibilities. We might find basic microbial life hiding somewhere in our Solar System; or we will identify signals from intelligent life somewhere far away.</p> <div data-id="17"> </div> <p>Unlike in <a href="https://www.britannica.com/topic/Star-Wars-film-series">Star Wars</a>, we’re not talking far, far away in another galaxy, but rather around other nearby stars. It is this second possibility which really excites me, and should excite you too. A detection of intelligent life would fundamentally change how we see ourselves in the Universe.</p> <p>In the last 80 years, programs dedicated to the search for extraterrestrial intelligence (SETI) have worked tirelessly searching for cosmic “hellos” in the form of radio signals.</p> <p>The reason we think any intelligent life would communicate via radio waves is due to the waves’ ability to travel vast distances through space, rarely interacting with the dust and gas in between stars. If anything out there is trying to communicate, it’s a pretty fair bet they would do it through radio waves.</p> <h2>Listening to the stars</h2> <p>One of the most exciting searches to date is <a href="https://breakthroughinitiatives.org/initiative/1">Breakthrough Listen</a>, the largest scientific research program dedicated to looking for evidence of intelligent life beyond Earth.</p> <p>This is one of many projects funded by US-based Israeli entrepreneurs Julia and Yuri Milner, with some serious dollars attached. Over a ten-year period a total amount of <a href="https://breakthroughinitiatives.org/initiative/1">US$100 million</a> will be invested in this effort, and they have a mighty big task at hand.</p> <p>Breakthrough Listen is currently targeting the closest one million stars in the hope of identifying any unnatural, alien-made radio signals. Using telescopes around the globe, from the 64-metre Murriyang Dish (Parkes) here in Australia, to the 64-antenna MeerKAT array in South Africa, the search is one of epic proportions. But it isn’t the only one.</p> <p>Hiding away in the Cascade Mountains north of San Francisco sits the <a href="https://www.seti.org/ata">Allen Telescope Array</a>, the first radio telescope built from the ground up specifically for SETI use.</p> <p>This unique facility is another exciting project, able to search for signals every day of the year. This project is currently upgrading the hardware and software on the original dish, including the ability to target several stars at once. This is a part of the non-profit research organisation, the SETI Institute.</p> <h2>Space lasers!</h2> <p>The SETI Institute is also looking for signals that would be best explained as “space lasers”.</p> <p>Some astronomers hypothesise that intelligent beings might use massive lasers to communicate or even to propel spacecraft. This is because even here on Earth we’re investigating <a href="https://www.nasa.gov/feature/goddard/2022/the-future-of-laser-communications/">laser communication</a> and laser-propelled <a href="https://www.insidescience.org/news/new-light-sail-design-would-use-laser-beam-ride-space">light sails</a>.</p> <p>To search for these mysterious flashes in the night sky, we need speciality instruments in locations around the globe, which are currently being developed and deployed. This is a research area I’m excited to watch progress and eagerly await results.</p> <p>As of writing this article, sadly no alien laser signals have been found yet.</p> <h2>Out there, somewhere</h2> <p>It’s always interesting to ponder who or what might be living out in the Universe, but there is one problem we must overcome to meet or communicate with aliens. It’s the speed of light.</p> <p>Everything we rely on to communicate via space requires light, and it can only travel so fast. This is where my optimism for finding intelligent life begins to fade. The Universe is big – really big.</p> <p>To put it in perspective, humans started using radio waves to communicate across large distances in 1901. That <a href="https://ethw.org/Milestones:Reception_of_Transatlantic_Radio_Signals,_1901">first transatlantic signal</a> has only travelled 122 light years, reaching just 0.0000015% of the stars in our Milky Way.</p> <p>Did your optimism just fade too? That is okay, because here is the wonderful thing… we don’t have to find life to know it is out there, somewhere.</p> <p>When we consider the <a href="https://theconversation.com/how-many-stars-are-there-in-space-165370">trillions of galaxies</a>, septillion of stars, and likely many more planets just in the observable Universe, it feels near impossible that we are alone.</p> <p>We can’t fully constrain the parameters we need to estimate how many other lifeforms might be out there, as famously proposed by Frank Drake, but using our best estimates and <a href="https://www.cambridge.org/core/journals/international-journal-of-astrobiology/article/numerical-testbed-for-hypotheses-of-extraterrestrial-life-and-intelligence/0C97E7803EEB69323C3728F02BA31AFA">simulations</a> the current best answer to this is tens of thousands of possible civilisations out there.</p> <p>The Universe <a href="https://theconversation.com/is-space-infinite-we-asked-5-experts-165742">might even be infinite</a>, but that is too much for my brain to comprehend on a weekday.</p> <h2>Don’t forget the tiny aliens</h2> <p>So, despite keenly listening for signals, we might not find intelligent life in our lifetimes. But there is hope for aliens yet.</p> <p>The ones hiding in plain sight, on the planetary bodies of our Solar System. In the coming decades we’ll explore the moons of Jupiter and Saturn like never before, with missions hunting to find traces of basic life.</p> <p>Mars will continue to be explored – eventually by humans – which could allow us to uncover and retrieve samples from new and unexplored regions.</p> <p>Even if our future aliens are only tiny microbes, it would still be nice to know we have company in this Universe.</p> <p><em>Images: Getty</em></p> <p><em style="box-sizing: border-box; color: #212529; font-family: -apple-system, 'system-ui', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'; font-size: 16px; background-color: #ffffff;">This article originally appeared on <a href="https://theconversation.com/humans-are-still-hunting-for-aliens-heres-how-astronomers-are-looking-for-life-beyond-earth-197621" target="_blank" rel="noopener">The Conversation</a>. </em></p>

Technology

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We can pretty accurately tell when a human or dog is happy, but not so much with aggression

<p>Humans are terrible at understanding aggressive characteristics in dogs — and unfortunately, in other humans.</p> <p>Being able to correctly interpret social interactions is an important skill that allows humans to react appropriately in different situations.</p> <p>But, research from the Dog Studies Research group at the Max Planck Institute for Geoanthropology in Germany shows while we’re generally clued in to distinguishing the nature of social interactions between children, dogs, and monkeys, we suck at identifying negative behaviour in dogs and humans.</p> <p>Researchers presented 96 adults with short video clips of aggressive, neutral, and playful interactions between two individuals in three different species: human children, dogs, and macaques.</p> <p>The clips included clues, such as body postures and facial expressions, but ended before the interaction took place.</p> <p>Half the study participants were asked to categorise the interaction as aggressive, neutral, or playful, while the other half were asked to predict the outcome from three sentences prepared by the experimenters describing the three possible outcomes.</p> <p>The researchers found that people performed better than chance for both tasks, even without prior experiences with the non-human species.</p> <p>They selected the correct choice of the three outcomes in 50–80% of interactions and were most accurate in categorising playful interactions, which they correctly identified 70% of the time.</p> <p>This wasn’t the case for predicting aggressive outcomes in humans and in pooches in particular. Participants rated aggressive contexts among dogs at chance level, and predicted outcomes below chance level.</p> <p>“It is possible that we are biased to assume good intentions from other humans and from ‘man’s best friend’,” says first author Dr Theresa Epperlein the DogStudies Research group in the Max Planck Institute for Geoanthropology, Germany.</p> <p>“Perhaps this bias prevents us from recognising aggressive situations in these species.”  </p> <p>“Our results underscore the fact that social interactions can often be ambiguous and suggest that accurately predicting outcomes may be more advantageous than categorising emotional contexts,” adds senior author Dr Juliane Bräuer, DogStudies Research Group Leader.</p> <p>The research has been <a href="https://doi.org/10.1371/journal.pone.0277783" target="_blank" rel="noreferrer noopener">published</a> in the journal <em>PLOS ONE</em>.</p> <p><img id="cosmos-post-tracker" style="opacity: 0; height: 1px!important; width: 1px!important; border: 0!important; position: absolute!important; z-index: -1!important;" src="https://syndication.cosmosmagazine.com/?id=227826&amp;title=We+can+pretty+accurately+tell+when+a+human+or+dog+is+happy%2C+but+not+so+much+with+aggression" width="1" height="1" data-spai-target="src" data-spai-orig="" data-spai-exclude="nocdn" /></p> <div id="contributors"> <p><em><a href="https://cosmosmagazine.com/people/human-dogs-aggressive/" target="_blank" rel="noopener">This article</a> was originally published on Cosmos Magazine and was written by Imma Perfetto.</em></p> <p><em>Image: Getty Images</em></p> </div>

Family & Pets

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Drop that bass (below the level of human hearing) to get bodies on the dance floor moving

<p>People dance nearly 12% more when music includes very low frequency bass but researchers have found that it may be the sounds we don’t hear that gets our toes tapping.</p> <p>This is interesting news for those who’ve had an experience at a party, celebration or club when the music’s groove just isn’t making your body move and who might be tempted to reach for the nearest beverage to lubricate our joints.</p> <p>But maybe there’s a solution which is more subtle – and less liable to cause headaches the next day…</p> <p>It seems, as Meghan Trainor correctly observed in 2014, that it really is “All About That Bass.”</p> <p>Now, it is no revelation that bass-driven music is good for a boogie. Trainor certainly wasn’t the first to discover this critical component of the rhythm section.</p> <p>Researchers from Canada and Germany turned a live electronic music concert into a lab study, to find out how different qualities of music influence the body. Their results are <a href="https://doi.org/10.1016/j.cub.2022.09.035%20" target="_blank" rel="noreferrer noopener">published</a> in <em>Current Biology</em>.</p> <p>The researchers introduced over speakers levels of bass below human hearing levels. This super low pitch infrasound is made up of wavelengths of sound too long for our ears to pick up. Infrasound is common in whale song and other parts of the animal and natural world.</p> <p>Monitoring the crowd’s movements, the scientists found that people danced 11.8% more when the very low frequency bass was present.</p> <p>“I’m trained as a drummer, and most of my research career has been focused on the rhythmic aspects of music and how they make us move,” says first author Daniel Cameron, a neuroscientist from Canada’s McMaster University. “Music is a biological curiosity – it doesn’t reproduce us, it doesn’t feed us, and it doesn’t shelter us, so why do humans like it and why do they like to move to it?”</p> <p>Cameron and colleagues treated participants in the study to a 45-minute live set by electronic musical duo Orphx at LIVELab, a research theatre at the University.</p> <p>Donning motion-sensing headbands, the concert-goers’ dance moves were monitored. They were also asked to fill out survey forms before and after to ensure they didn’t detect the infrasound, to measure their enjoyment, and examine how the music felt physically.</p> <p>Turning the ultra-low bass playing speakers on and off every two minutes, the researchers found movement increased by 12% when the speakers were on.</p> <p>Vibrations experienced through touch and interactions between the inner ear and brain are closely linked to the motor system.</p> <p>The researchers theorise that there is a neurological link between these physiological processes and music. They believe that our anatomy can pick up on low frequencies, affecting our perception of “groove”, spontaneous movement and rhythm.</p> <p>Cameron suggests that the super-low frequencies may influence the vestibular system which controls body position and movement through the inner ear.</p> <p>“Very low frequencies may also affect vestibular sensitivity, adding to people’s experience of movement. Nailing down the brain mechanisms involved will require looking the effects of low frequencies on the vestibular, tactile, and auditory pathways,” says Cameron.</p> <p><em>Image credits: Getty Images</em></p> <p><em><!-- Start of tracking content syndication. Please do not remove this section as it allows us to keep track of republished articles --> <img id="cosmos-post-tracker" style="opacity: 0; height: 1px!important; width: 1px!important; border: 0!important; position: absolute!important; z-index: -1!important;" src="https://syndication.cosmosmagazine.com/?id=222462&amp;title=Drop+that+bass+%28below+the+level+of+human+hearing%29+to+get+bodies+on+the+dance+floor+moving" width="1" height="1" /> <!-- End of tracking content syndication --></em></p> <div id="contributors"> <p><em>This article was originally published on <a href="https://cosmosmagazine.com/people/bass-dance-more/" target="_blank" rel="noopener">cosmosmagazine.com</a> and was written by Evrim Yazgin. </em></p> </div>

Music

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Evidence that human evolution driven by major environmental pressures discovered

<p>The genes of ancient humans might have changed substantially due to environmental pressures and change, say an international team of researchers.</p> <p>A widely held belief related to human evolution is that our ancient ancestors’ ability to fashion tools, shelter, and use advanced communication skills may have helped to shield them from large environmental impacts such as changing climate, disease and exposure to other events affecting mortality.</p> <p>But research led out of Australian Centre for Ancient DNA at the University of Adelaide suggests that beneficial genes may have played a more important role in preserving our ancestors.</p> <p>Until now, the sudden increase in frequency of these genes in human groups was masked by the exchange of DNA between people during reproduction.</p> <p>Now, analyses of more than one thousand ancient genomes dating as far back as 45,000 years ago have found historic signals showing genetic adaptation was more common than previously thought.</p> <p>The study of evolutionary events, says the study’s co-lead author Dr Yassine Souilmi, has increased substantially in recent years, as these are the points where human genetics take historic turns.</p> <p>“Evolutionary events [are] exactly what shape our genetic diversity today,” Souilmi tells Cosmos.</p> <p>“That’s what makes us vulnerable to certain diseases [and] resistant to others.</p> <p>“Having a good understanding of evolution, we can have a better understanding of who we are.”</p> <p>Previous research by the Centre has uncovered a range of evolutionary trends, from historic climate change causing the demise of ancestral lions and bears, to the first interactions between humans and coronaviruses 20,000 years ago.</p> <p>And the broader field of research into ancient DNA has shed light on important moments in human history. Only recently did analyses of ancient genes uncover locations on the human genome associated with surviving Yersinia pestis – the bacterium that causes the bubonic plague.</p> <h2>Single events probably triggered selection</h2> <p>This study, published in Nature Ecology and Evolution, has similarly found environmental events might have been more influential on evolution among Eurasian groups.</p> <p>Such events might lead to a point of natural selection. Take, for instance, the emergence of a pathogen. If such a disease could kill people, those who managed to survive and continue reproducing would pass down favourable traits to subsequent generations.</p> <p>“Natural selection acts in two different mechanisms,” says Souilmi.</p> <p>“It only cares about whether you’re procreating successfully… when it acts, it’s either killing a lot of people, [preventing] some people from reproducing successfully, or some people are just not finding mates because they have some sort of ailment that’s not allowing them to mate successfully, or might make them undesirable.</p> <p>“What we’re finding is that the signal of natural selection we detected in this [research] was likely a single event, because the signal is clustered in time in a very early migration out of Africa.</p> <p>“Not all of the [events] we detected occurred at the same time, but the bulk of them did.”</p> <h2>A mirror to the present</h2> <p>This ‘agnostic’ study did not seek to identify the external pressures leading to the selection events indicated in these ancient genes, but future research by the team will seek to uncover that information.</p> <p>Studies like this, or those into specific pressures like the influence of the Black Death or coronaviruses on humans, show the impact of environmental change on our genetics.</p> <p>Souilmi says this is both insightful and cautionary, as environmental change in the present could be studied by humans in the future.</p> <p>He speculates that changes in the Earth’s climate, or the emergence of new pathogens, likely imposed selection pressures on ancient groups, whether through forcing shortages or changes to food supply or imposing physiological stressors.</p> <p>“Very likely, it’s the environment, the temperature, the weather patterns, that would have somewhat impacted the dietary regime of our ancestors out of Africa, and pathogens would have driven this [genetic] adaptation, which has shaped our genetic diversity now,” Souilmi says.</p> <p>“The direct lesson, socially, now, is that if we’re ever faced with events that are similar to that, we are not as immune to extreme episodes of adaptation where a lot of people might die, or be unable to reproduce.</p> <p>“Unless we do something to counteract the environmental changes, or viruses, bacterial or other pandemics, it could be a bad thing.”</p> <p><strong>This article originally appeared on <a href="https://cosmosmagazine.com/science/human-evolution-driven-by-environment/" target="_blank" rel="noopener">cosmosmagazine.com</a> and was written by Matthew Agius.</strong></p> <p><em>Image: Shutterstock</em></p>

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