New Scientist - News https://www.newscientist.com/ https://www.newscientist.com/build/images/ns-logo-scaled.ed2dc11a.png https://www.newscientist.com daily 1 https://www.newscientist.com/article/2398764-legalising-marijuana-hasnt-been-the-quick-fix-the-us-hoped-for/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Sat, 21 Oct 2023 08:00:56 +0100 More than 20 US states have now legalised recreational cannabis, but the devastating effects of prohibition have yet to be overcome, says Zachary Siegel   2398764-legalising-marijuana-hasnt-been-the-quick-fix-the-us-hoped-for|2398764 https://www.newscientist.com/article/2398322-orionids-how-to-see-the-halleys-comet-meteor-shower-this-weekend/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Fri, 20 Oct 2023 06:12:12 +0100 The Orionids are flashes of light that appear in the sky every year when Earth passes through debris from Halley’s comet. On 21 October they will be visible from almost anywhere in the world 2398322-orionids-how-to-see-the-halleys-comet-meteor-shower-this-weekend|2398322 https://www.newscientist.com/article/2398452-mysterious-rotation-trick-makes-magnets-float-in-the-air/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Fri, 20 Oct 2023 19:13:04 +0100 A few years ago, researchers discovered that a rapidly rotating magnet will cause other nearby magnets to levitate, and they have now worked out why 2398452-mysterious-rotation-trick-makes-magnets-float-in-the-air|2398452 https://www.newscientist.com/article/2398713-schools-cut-covid-19-sick-days-by-20-per-cent-using-hepa-air-filters/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Fri, 20 Oct 2023 19:00:11 +0100 The eagerly awaited finding comes from the first randomised trial of putting HEPA filter machines into classrooms 2398713-schools-cut-covid-19-sick-days-by-20-per-cent-using-hepa-air-filters|2398713 https://www.newscientist.com/article/2398708-humans-caught-more-diseases-after-we-domesticated-animals/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Fri, 20 Oct 2023 15:40:46 +0100 Analysis of DNA from human remains up to 37,000 years old shows that more infectious diseases jumped from animals to people after the dawn of farming 2398708-humans-caught-more-diseases-after-we-domesticated-animals|2398708 https://www.newscientist.com/article/2397442-sperm-caught-breaking-newtons-third-law-of-motion/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Fri, 20 Oct 2023 15:00:31 +0100 Some biological cells swim freely in a way that apparently breaks one of Newton’s laws of motion – but only if they have strange elastic properties 2397442-sperm-caught-breaking-newtons-third-law-of-motion|2397442 https://www.newscientist.com/article/2398688-uks-fastest-supercomputer-will-be-built-in-a-car-park-in-bristol/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Fri, 20 Oct 2023 14:53:16 +0100 Isambard-AI will contain about 5000 graphics processing units, making it 10 times as powerful as the UK’s current fastest computer, but it will have a humble home in a Bristol car park 2398688-uks-fastest-supercomputer-will-be-built-in-a-car-park-in-bristol|2398688 https://www.newscientist.com/article/2398218-we-forget-details-when-our-brain-picks-the-wrong-thing-to-remember/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Fri, 20 Oct 2023 13:00:19 +0100 Scientists have identified the brain mechanisms behind why we often misremember small details, such as an object's colour or location 2398218-we-forget-details-when-our-brain-picks-the-wrong-thing-to-remember|2398218 https://www.newscientist.com/article/2398428-why-birds-eyes-can-be-blue-green-pink-or-orange/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Fri, 20 Oct 2023 10:00:15 +0100 Among birds, eyes come in all sorts of colours – and it seems that this helps them compete for mating opportunities and intimidate rivals 2398428-why-birds-eyes-can-be-blue-green-pink-or-orange|2398428 https://www.newscientist.com/article/2397429-do-animals-know-that-sex-leads-to-babies/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Fri, 20 Oct 2023 08:00:38 +0100 The time delay between sex and offspring makes identifying the cause and effect a little complicated. Humans have language to explain how reproduction works, but for other animals it may be far less clear 2397429-do-animals-know-that-sex-leads-to-babies|2397429 https://www.newscientist.com/article/2398085-tiniest-particle-accelerator-is-so-small-it-could-fit-into-a-pen-tip/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 18 Oct 2023 17:00:08 +0100 A particle accelerator that measures just 0.2 mm in length uses laser light to accelerate electrons to speeds of a hundred thousand kilometres per second 2398085-tiniest-particle-accelerator-is-so-small-it-could-fit-into-a-pen-tip|2398085 https://www.newscientist.com/article/2398608-warm-seas-blamed-for-the-disappearance-of-10-billion-snow-crabs/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 19 Oct 2023 20:00:57 +0100 The population of snow crabs in the Bering Sea has crashed since 2018, probably due to starvation as a result of a marine heatwave 2398608-warm-seas-blamed-for-the-disappearance-of-10-billion-snow-crabs|2398608 https://www.newscientist.com/article/2398469-emergence-of-huge-cicada-generation-in-2021-led-to-a-caterpillar-boom/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 19 Oct 2023 20:00:41 +0100 The emergence of 'Brood X' periodical cicadas in the US in 2021 gave birds a new food source, leading to knock-on effects throughout forest ecosystems 2398469-emergence-of-huge-cicada-generation-in-2021-led-to-a-caterpillar-boom|2398469 https://www.newscientist.com/article/2398442-ibms-brain-inspired-chip-could-be-the-fastest-at-running-ai-yet/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 19 Oct 2023 20:00:28 +0100 An IBM chip that mimics the brain can run AI-powered image recognition algorithms 22 times faster than any commercial chip 2398442-ibms-brain-inspired-chip-could-be-the-fastest-at-running-ai-yet|2398442 https://www.newscientist.com/article/2398603-climate-change-will-prompt-expansion-of-farming-in-northern-wilderness/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 19 Oct 2023 17:00:45 +0100 As the world warms, vast areas of wilderness in Russia, Canada and Alaska will become more suitable for farming, threatening the local wildlife 2398603-climate-change-will-prompt-expansion-of-farming-in-northern-wilderness|2398603 https://www.newscientist.com/article/2398149-hurricanes-are-growing-stronger-much-faster-than-they-did-in-the-1970s/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 19 Oct 2023 17:00:09 +0100 An analysis of all tropical storms in the Atlantic between 1971 and 2020 has confirmed that hurricanes are intensifying more rapidly, giving people less time to prepare 2398149-hurricanes-are-growing-stronger-much-faster-than-they-did-in-the-1970s|2398149 https://www.newscientist.com/article/2397720-bird-flu-now-sweeping-the-world-evolved-in-europe-and-africa/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 18 Oct 2023 17:00:10 +0100 For about 25 years, bird flu viruses typically originated in Asia – but the virus that began spreading in 2021 arose in Europe and Africa 2397720-bird-flu-now-sweeping-the-world-evolved-in-europe-and-africa|2397720 https://www.newscientist.com/article/2397929-why-i-wont-be-buying-sea-farmed-salmon-ever-again/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 18 Oct 2023 19:00:00 +0100 I knew there were problems with salmon reared in captivity at sea, but after witnessing the damage inflicted by life in an ocean pen, I will be voting with my shopping trolley, says Graham Lawton 2397929-why-i-wont-be-buying-sea-farmed-salmon-ever-again|2397929 https://www.newscientist.com/article/2398168-pepper-x-the-world-has-a-new-hottest-chilli/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 17 Oct 2023 21:16:41 +0100 Pepper X scorches the previous record holder, the Carolina Reaper, by a million Scoville heat units 2398168-pepper-x-the-world-has-a-new-hottest-chilli|2398168 https://www.newscientist.com/article/2398407-hundreds-of-chatbots-could-show-us-how-to-make-social-media-less-toxic/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 19 Oct 2023 11:54:03 +0100 A newsfeed algorithm designed to counteract political polarisation could be effective, according to a test involving hundreds of AI-generated users 2398407-hundreds-of-chatbots-could-show-us-how-to-make-social-media-less-toxic|2398407 https://www.newscientist.com/article/mg26034613-400-lets-use-ai-to-rethink-education-instead-of-panicking-about-cheating/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 18 Oct 2023 19:00:00 +0100 If we build and use AI effectively, we can create an education system where students are assessed on the quality and depth of their knowledge, rather than the content of an exam, says Okezue Bell mg26034613-400-lets-use-ai-to-rethink-education-instead-of-panicking-about-cheating|2397892 https://www.newscientist.com/article/2397528-uks-global-ai-summit-must-provide-solutions-rather-than-suggestions/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 19 Oct 2023 07:00:50 +0100 Efforts to regulate artificial intelligence are gathering steam across the world, but some key ethical and controversial issues don’t seem to be getting enough attention 2397528-uks-global-ai-summit-must-provide-solutions-rather-than-suggestions|2397528 https://www.newscientist.com/article/2398369-why-free-will-doesnt-exist-according-to-robert-sapolsky/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 18 Oct 2023 20:39:23 +0100 It's hard to let go of the idea that free will exists, but neuroscientist Robert Sapolsky says that society starts to look very different once you do 2398369-why-free-will-doesnt-exist-according-to-robert-sapolsky|2398369 https://www.newscientist.com/article/2397616-strange-upward-lightning-shoots-out-x-rays-as-it-rises-to-the-clouds/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 18 Oct 2023 20:00:35 +0100 Tall buildings made from electrically conductive materials can send lightning bolts up into the heavens during a thunderstorm, and they generate X-rays at the same time 2397616-strange-upward-lightning-shoots-out-x-rays-as-it-rises-to-the-clouds|2397616 https://www.newscientist.com/article/2398335-is-england-doing-enough-to-stop-covid-19-spreading-in-hospitals/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 18 Oct 2023 17:00:57 +0100 New figures confirm toll of the coronavirus on hospital patients during UK’s second wave, but it’s unclear what lessons this has for today 2398335-is-england-doing-enough-to-stop-covid-19-spreading-in-hospitals|2398335 https://www.newscientist.com/article/2398268-energy-guzzling-data-centres-could-work-just-as-well-with-less-cooling/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 18 Oct 2023 17:00:25 +0100 Data centres consume a huge amount of energy, but researchers have found a simple fix - let the servers run much hotter than they do currently 2398268-energy-guzzling-data-centres-could-work-just-as-well-with-less-cooling|2398268 https://www.newscientist.com/article/2397495-edible-and-delicious-chinese-mitten-crabs-are-invading-the-uk/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 18 Oct 2023 15:10:46 +0100 Numbers of invasive Chinese mitten crabs are believed to be growing in the UK, causing damage to river beds and competing with native wildlife 2397495-edible-and-delicious-chinese-mitten-crabs-are-invading-the-uk|2397495 https://www.newscientist.com/article/2397628-working-with-robots-can-make-humans-put-in-less-effort/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 18 Oct 2023 14:57:19 +0100 Robots that do their job reliably can cause humans who work alongside them to be less diligent because of a phenomenon called social loafing 2397628-working-with-robots-can-make-humans-put-in-less-effort|2397628 https://www.newscientist.com/article/2398051-scientists-prefer-feedback-from-chatgpt-to-judgement-by-peers/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 18 Oct 2023 12:00:06 +0100 Scientific research must be reviewed by other scientists before it is published, but some researchers say they find feedback from ChatGPT more useful 2398051-scientists-prefer-feedback-from-chatgpt-to-judgement-by-peers|2398051 https://www.newscientist.com/article/2397894-mega-penguins-these-are-the-largest-penguins-to-have-ever-lived/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 18 Oct 2023 10:00:57 +0100 No penguin alive today can compare with some of the extinct giants that once roamed the planet, including Kumimanu fordycei, Petradyptes stonehousei and Palaeeudyptes klekowskii 2397894-mega-penguins-these-are-the-largest-penguins-to-have-ever-lived|2397894 https://www.newscientist.com/article/2397914-hitting-the-snooze-button-on-your-alarm-doesnt-make-you-more-tired/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 18 Oct 2023 06:01:31 +0100 Snoozing your alarm doesn't make you sleepier, moodier or less cognitively sharp during the day than getting up straight away 2397914-hitting-the-snooze-button-on-your-alarm-doesnt-make-you-more-tired|2397914 https://www.newscientist.com/article/2398073-why-the-gaza-water-crisis-is-decades-in-the-making/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 17 Oct 2023 19:55:40 +0100 The UN says approximately 2 million people in Gaza may soon run out of water because Israel has shut off supplies. Here's why the region is so vulnerable to water crises 2398073-why-the-gaza-water-crisis-is-decades-in-the-making|2398073 https://www.newscientist.com/article/2397855-scientists-can-communicate-with-people-while-they-are-asleep/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 17 Oct 2023 19:00:25 +0100 This is the first such communication method to be established with people who are not lucid dreamers 2397855-scientists-can-communicate-with-people-while-they-are-asleep|2397855 https://www.newscientist.com/article/2397961-people-around-europe-have-eaten-seaweed-for-thousands-of-years/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 17 Oct 2023 17:00:51 +0100 Traces of algae on teeth found at archaeological sites suggest that seaweeds may have been a staple part of European diets from the Mesolithic until the Middle Ages 2397961-people-around-europe-have-eaten-seaweed-for-thousands-of-years|2397961 https://www.newscientist.com/article/2398055-tiny-generator-uses-the-motion-of-molecules-to-produce-electricity/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 17 Oct 2023 17:00:16 +0100 Generating electricity from the movements of molecules in a fluid could one day power devices like tiny medical implants or household appliances 2398055-tiny-generator-uses-the-motion-of-molecules-to-produce-electricity|2398055 https://www.newscientist.com/article/2397248-coin-flips-dont-truly-have-a-50-50-chance-of-being-heads-or-tails/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 17 Oct 2023 16:22:10 +0100 Researchers who flipped coins 350,757 times have confirmed that the chance of landing the coin the same way up as it started is around 51 per cent 2397248-coin-flips-dont-truly-have-a-50-50-chance-of-being-heads-or-tails|2397248 https://www.newscientist.com/article/2397874-stunning-photo-of-jupiters-volcanic-moon-io-is-our-best-in-decades/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 17 Oct 2023 12:52:13 +0100 NASA's Juno spacecraft has swooped close to Jupiter's moon Io, capturing this amazing photo of the surface – and even better ones will come soon 2397874-stunning-photo-of-jupiters-volcanic-moon-io-is-our-best-in-decades|2397874 https://www.newscientist.com/article/2398017-largest-quake-ever-seen-on-mars-points-to-surprising-seismic-activity/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 17 Oct 2023 15:01:00 +0100 Mars is generally thought of as being geologically dead, but a huge marsquake measured by NASA's InSight lander suggests otherwise 2398017-largest-quake-ever-seen-on-mars-points-to-surprising-seismic-activity|2398017 https://www.newscientist.com/article/2397804-prize-winning-photos-highlight-the-impact-of-climate-change-on-nature/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 17 Oct 2023 13:00:07 +0100 A glacier under covers, a fish in danger of losing its home and threatened African penguins feature in the best entries to the Royal Society of Biology Photography Competition 2397804-prize-winning-photos-highlight-the-impact-of-climate-change-on-nature|2397804 https://www.newscientist.com/article/2397622-dung-beetles-feeding-habits-can-be-used-to-track-endangered-lemurs/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 17 Oct 2023 11:00:09 +0100 Biologists identified DNA from six species of lemurs in the guts of dung beetles collected in Madagascar, demonstrating a possible way to monitor endangered wildlife 2397622-dung-beetles-feeding-habits-can-be-used-to-track-endangered-lemurs|2397622 https://www.newscientist.com/article/2397254-could-nuclear-weapons-testing-resume-as-global-tensions-rise/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 17 Oct 2023 10:49:47 +0100 Only North Korea has detonated nuclear weapons during the 21st century, but recent indications suggest Russia, the US and China are preparing to resume tests 2397254-could-nuclear-weapons-testing-resume-as-global-tensions-rise|2397254 https://www.newscientist.com/article/2397220-cannabis-has-a-shocking-environmental-cost-heres-how-to-fix-it/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 17 Oct 2023 08:00:51 +0100 Growing cannabis can consume astonishingly large amounts of electricity and water, as well as damage ecosystems, but it doesn't have to be that way 2397220-cannabis-has-a-shocking-environmental-cost-heres-how-to-fix-it|2397220 https://www.newscientist.com/article/2397642-it-takes-just-108-milliseconds-for-our-brains-to-spot-food/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Mon, 16 Oct 2023 19:00:28 +0100 When you look at an object, it takes just 108 to 116 milliseconds for your brain to decide if it is food     2397642-it-takes-just-108-milliseconds-for-our-brains-to-spot-food|2397642 https://www.newscientist.com/article/2397725-pariss-bedbug-problem-is-probably-no-worse-than-other-major-cities/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Mon, 16 Oct 2023 16:21:08 +0100 An apparent resurgence of bedbugs has incited panic in France, but there is no scientific evidence of any increase in infestation rates this year 2397725-pariss-bedbug-problem-is-probably-no-worse-than-other-major-cities|2397725 https://www.newscientist.com/article/2397281-high-dose-vitamin-d-may-lower-your-risk-of-going-to-hospital/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Mon, 16 Oct 2023 14:00:58 +0100 Taking a higher-than-recommended dose of vitamin D every day may reduce the risk of being hospitalised due to any cause, according to a relatively short, small study 2397281-high-dose-vitamin-d-may-lower-your-risk-of-going-to-hospital|2397281 https://www.newscientist.com/article/mg26034603-000-how-to-balance-energy-hungry-ai-with-the-drive-towards-decarbonisation/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 11 Oct 2023 19:00:00 +0100 Just as the power sector looks set to reach peak carbon emissions, the rise of AI use brings a new pressure on our energy requirements mg26034603-000-how-to-balance-energy-hungry-ai-with-the-drive-towards-decarbonisation|2397021 https://www.newscientist.com/article/2396510-mathematician-warns-us-spies-may-be-weakening-next-gen-encryption/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 10 Oct 2023 17:55:58 +0100 Quantum computers may soon be able to crack encryption methods in use today, so plans are already under way to replace them with new, secure algorithms. Now it seems the US National Security Agency may be undermining that process 2396510-mathematician-warns-us-spies-may-be-weakening-next-gen-encryption|2396510 https://www.newscientist.com/article/2397261-under-18s-who-drive-independently-develop-a-better-sense-of-direction/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Mon, 16 Oct 2023 10:00:59 +0100 People who drove by themselves before they turned 18 are better at navigating than those who first drove solo at an older age 2397261-under-18s-who-drive-independently-develop-a-better-sense-of-direction|2397261 https://www.newscientist.com/article/2397457-a-site-used-by-ancient-humans-was-also-a-latrine-for-giant-hyenas/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Mon, 16 Oct 2023 07:00:08 +0100 Stone tools, mammal bones and fossilised faeces hint that hominins and hyenas scavenged for food at the same place 1.4 million years ago 2397457-a-site-used-by-ancient-humans-was-also-a-latrine-for-giant-hyenas|2397457 https://www.newscientist.com/article/2397389-ukrainian-ai-attack-drones-may-be-killing-without-human-oversight/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Fri, 13 Oct 2023 13:00:17 +0100 Ukraine is using drones equipped with artificial intelligence that can identify and attack targets without any human control, in the first battlefield use of autonomous weapons or "killer robots" 2397389-ukrainian-ai-attack-drones-may-be-killing-without-human-oversight|2397389 https://www.newscientist.com/article/2397436-what-ancient-earth-tells-us-about-surviving-the-climate-crisis/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Sat, 14 Oct 2023 08:00:06 +0100 Climate scientist and author Michael Mann explains why it’s not too late to prevent the worst impacts of climate change 2397436-what-ancient-earth-tells-us-about-surviving-the-climate-crisis|2397436 https://www.newscientist.com/article/2394269-how-to-spot-octobers-ring-of-fire-solar-eclipse-across-the-americas/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Fri, 06 Oct 2023 14:00:06 +0100 An annular solar eclipse, also known as a “ring of fire” eclipse because of the way the sun and moon line up, will be visible in the US, Central America and South America on 14 October 2394269-how-to-spot-octobers-ring-of-fire-solar-eclipse-across-the-americas|2394269 https://www.newscientist.com/article/2397583-student-uses-ai-to-decipher-word-in-ancient-scroll-from-herculaneum/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Fri, 13 Oct 2023 21:10:50 +0100 A computer science student has discovered the first decipherable word in unopened scrolls from Herculaneum, an ancient Roman town buried by the eruption of Mount Vesuvius 2397583-student-uses-ai-to-decipher-word-in-ancient-scroll-from-herculaneum|2397583 https://www.newscientist.com/article/2397492-dusting-and-vacuuming-reduce-wildfire-air-pollution-inside-homes/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Fri, 13 Oct 2023 20:00:00 +0100 Pollutants from wildfire smoke can remain inside homes for weeks, but vacuuming, mopping and dusting result in lower levels of volatile compounds in the air 2397492-dusting-and-vacuuming-reduce-wildfire-air-pollution-inside-homes|2397492 https://www.newscientist.com/article/2397446-israels-demand-for-gaza-evacuation-will-lead-to-deaths-experts-warn/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Fri, 13 Oct 2023 13:45:24 +0100 As part of its ongoing conflict with Hamas, Israel has issued a warning for 1.1 million people to leave northern Gaza. The United Nations says such a rapid mass evacuation is impossible without "devastating humanitarian consequences" 2397446-israels-demand-for-gaza-evacuation-will-lead-to-deaths-experts-warn|2397446 https://www.newscientist.com/article/2396724-win-12k-by-rediscovering-the-secret-phrases-that-secure-the-internet/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Fri, 13 Oct 2023 11:00:44 +0100 Five secret phrases used to create the encryption algorithms that secure everything from online banking to email have been lost to history - but now cryptographers are offering a bounty to rediscover them 2396724-win-12k-by-rediscovering-the-secret-phrases-that-secure-the-internet|2396724 https://www.newscientist.com/article/2393924-ai-is-helping-mathematicians-build-a-periodic-table-of-shapes/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Fri, 13 Oct 2023 09:00:53 +0100 Atomic shapes are so simple that they can't be broken down any further. Mathematicians are trying to build a "periodic table" of these shapes, and they hope artificial intelligence can help 2393924-ai-is-helping-mathematicians-build-a-periodic-table-of-shapes|2393924 https://www.newscientist.com/article/2397291-early-humans-lived-in-ethiopian-highlands-2-million-years-ago/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 12 Oct 2023 20:00:57 +0100 A child’s jawbone found in Ethiopia is one of the earliest fossils identified as Homo erectus, and shows ancient hominins settled in high-altitude areas 2397291-early-humans-lived-in-ethiopian-highlands-2-million-years-ago|2397291 https://www.newscientist.com/article/2397366-we-now-have-the-most-detailed-description-of-the-human-brain-ever/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 12 Oct 2023 20:00:32 +0100 The tool, which charts the distribution of over a hundred different brain areas in genetic and cellular detail, may shed more light on neurological and mental health conditions 2397366-we-now-have-the-most-detailed-description-of-the-human-brain-ever|2397366 https://www.newscientist.com/article/2397235-energy-efficient-transistor-could-allow-smartwatches-to-use-ai/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 12 Oct 2023 17:00:51 +0100 A prototype transistor built from molybdenum disulphide and carbon nanotubes rather than silicon could allow power-hungry AIs to run on smartwatches without rapidly draining the battery 2397235-energy-efficient-transistor-could-allow-smartwatches-to-use-ai|2397235 https://www.newscientist.com/article/2397314-simple-blood-test-tweak-could-make-intensive-care-treatment-safer/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 12 Oct 2023 17:00:46 +0100 Taking less blood for intensive care tests reduces the risk of transfusions, which can cause allergic reactions or infections 2397314-simple-blood-test-tweak-could-make-intensive-care-treatment-safer|2397314 https://www.newscientist.com/article/2397359-we-could-make-roads-on-the-moon-by-melting-lunar-dust/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 12 Oct 2023 17:00:39 +0100 Lunar dust can be melted with a laser to make a strong, glassy material – and a similar effect could be achieved by focusing sunlight with a lens 2397359-we-could-make-roads-on-the-moon-by-melting-lunar-dust|2397359 https://www.newscientist.com/article/2397317-neanderthals-hunted-cave-lions-with-spears-and-made-use-of-their-pelts/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 12 Oct 2023 17:00:32 +0100 Fossilised remains of extinct big cats called cave lions display evidence of butchery, showing that Neanderthals had the skills to take on top predators 2397317-neanderthals-hunted-cave-lions-with-spears-and-made-use-of-their-pelts|2397317 https://www.newscientist.com/article/2396666-how-the-balloon-analogy-for-an-expanding-universe-is-almost-perfect/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 11 Oct 2023 19:00:00 +0100 If space-time is expanding, then why does gravity seem to pull things together? Physics can be weird, says Chanda Prescod-Weinstein 2396666-how-the-balloon-analogy-for-an-expanding-universe-is-almost-perfect|2396666 https://www.newscientist.com/article/2397263-inventions-based-on-threatened-animals-like-rhinos-are-on-the-rise/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 12 Oct 2023 12:17:50 +0100 An analysis of patent records suggests there is growing commercial interest in products derived from rhinos and other threatened wildlife 2397263-inventions-based-on-threatened-animals-like-rhinos-are-on-the-rise|2397263 https://www.newscientist.com/article/mg26034602-900-lets-stop-making-lab-grown-meat-weird/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 11 Oct 2023 19:00:00 +0100 The lab-grown meat industry needs to perfect and normalise the staples, like chicken and beef, before jumping to exotic alternatives like mammoth, argues Brian Kateman mg26034602-900-lets-stop-making-lab-grown-meat-weird|2396769 https://www.newscientist.com/article/2393962-has-the-risk-of-getting-long-covid-been-overestimated/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 27 Sep 2023 11:30:15 +0100 Studies that failed to compare rates of long covid symptoms after infection with baseline rates in the population made the prevalence of the condition seem higher than it really is 2393962-has-the-risk-of-getting-long-covid-been-overestimated|2393962 https://www.newscientist.com/article/2397075-toys-produce-far-more-electronic-waste-than-vapes/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 12 Oct 2023 01:01:39 +0100 Over 3 billion kilograms of valuable electronics inside children’s toys are thrown away each year, and very few people are aware of this hidden e-waste 2397075-toys-produce-far-more-electronic-waste-than-vapes|2397075 https://www.newscientist.com/article/2397232-samples-from-asteroid-bennu-contain-the-key-ingredients-of-life/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 11 Oct 2023 22:23:13 +0100 The asteroid Bennu was sampled by NASA’s OSIRIS-Rex mission, which returned to Earth last month. Researchers have already begun studying the samples, and say they contain key ingredients of life 2397232-samples-from-asteroid-bennu-contain-the-key-ingredients-of-life|2397232 https://www.newscientist.com/article/2396983-earths-core-is-oddly-squishy-and-we-may-now-know-why/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 11 Oct 2023 19:00:55 +0100 Earth’s iron-rich inner core may owe some of its surprising softness to the motion of atoms, suggest experiments with iron at high temperature and pressure coupled to AI simulations 2396983-earths-core-is-oddly-squishy-and-we-may-now-know-why|2396983 https://www.newscientist.com/article/2396976-is-cannabis-today-really-much-more-potent-than-50-years-ago/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 11 Oct 2023 15:55:00 +0100 Levels of the psychoactive compound THC have been steadily rising in marijuana since the 1970s, due largely to growers selecting for more potent strains 2396976-is-cannabis-today-really-much-more-potent-than-50-years-ago|2396976 https://www.newscientist.com/article/2397089-two-giant-planets-collided-and-vaporised-in-a-distant-star-system/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 11 Oct 2023 17:00:49 +0100 A star behaving strangely was the first clue that astronomers were witnessing two Neptune-sized planets smashing into each other, creating a doughnut that may one day birth a new planet and moons 2397089-two-giant-planets-collided-and-vaporised-in-a-distant-star-system|2397089 https://www.newscientist.com/article/2396693-climate-change-may-be-improving-the-quality-of-bordeaux-wines/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 11 Oct 2023 17:00:16 +0100 An analysis has found that Bordeaux wines made in years with wet winters and hot, dry summers – which are becoming more common as a result of climate change – are judged more highly by wine critics 2396693-climate-change-may-be-improving-the-quality-of-bordeaux-wines|2396693 https://www.newscientist.com/article/2392930-nasas-psyche-mission-to-a-metal-asteroid-may-reveal-how-earth-formed/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 21 Sep 2023 13:00:30 +0100 The Psyche mission is scheduled to begin its journey to an asteroid of the same name on 13 October – it could help us understand Earth’s core and how our planet formed 2392930-nasas-psyche-mission-to-a-metal-asteroid-may-reveal-how-earth-formed|2392930 https://www.newscientist.com/article/2397002-londons-drying-rivers-threaten-the-citys-drinking-water-supply/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 11 Oct 2023 12:35:37 +0100 Poor river management means that London is number nine in the list of global cities most likely to run out of drinking water, campaigner Feargal Sharkey said at New Scientist Live 2397002-londons-drying-rivers-threaten-the-citys-drinking-water-supply|2397002 https://www.newscientist.com/article/2396731-mysterious-viking-queen-may-have-helped-unify-denmark-in-the-900s/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 11 Oct 2023 01:01:16 +0100 Queen Thyra, the mother of King Harald Bluetooth, was commemorated on four runestones in different parts of Denmark – suggesting she was a powerful figure 2396731-mysterious-viking-queen-may-have-helped-unify-denmark-in-the-900s|2396731 https://www.newscientist.com/article/2396917-female-frogs-sometimes-play-dead-to-avoid-mating-with-males/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 11 Oct 2023 01:01:10 +0100 Frog mating can be a competitive and sometimes deadly affair as many males compete for females – but females have some tricks to avoid unwanted attention 2396917-female-frogs-sometimes-play-dead-to-avoid-mating-with-males|2396917 https://www.newscientist.com/article/2396750-winning-images-from-wildlife-photographer-of-the-year-2023/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 11 Oct 2023 00:30:50 +0100 Orcas hunting a seal, duelling Nubian ibexes and a stunning horseshoe crab appear in winning images from this year’s Wildlife Photographer of the Year competition 2396750-winning-images-from-wildlife-photographer-of-the-year-2023|2396750 https://www.newscientist.com/article/2396118-how-to-see-the-draconid-meteor-shower-peak-tonight/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Mon, 09 Oct 2023 11:00:26 +0100 The Draconid meteor shower is happening between 6 and 10 October, peaking on 9 October, and you should be able to see it if you are in the northern hemisphere 2396118-how-to-see-the-draconid-meteor-shower-peak-tonight|2396118 https://www.newscientist.com/article/2396204-slicing-the-moon-in-half-would-be-disastrous-for-earth-but-beautiful/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 10 Oct 2023 19:00:24 +0100 The moon can be a scourge for astronomers, so the Dead Planets Society has figured out how to destroy it, with consequences both disastrous and visually stunning 2396204-slicing-the-moon-in-half-would-be-disastrous-for-earth-but-beautiful|2396204 https://www.newscientist.com/article/2396504-driving-under-the-influence-of-cannabis-how-high-is-too-high/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 10 Oct 2023 18:00:39 +0100 Driving under the influence of cannabis increases the risk of traffic accidents, but despite plenty of research into cannabis use by drivers, there is no consensus on deciding who is too high to drive 2396504-driving-under-the-influence-of-cannabis-how-high-is-too-high|2396504 https://www.newscientist.com/article/2396830-chickens-made-resistant-to-bird-flu-with-crispr-gene-editing/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 10 Oct 2023 17:00:46 +0100 Modifying a protein in chicken cells can help the birds resist infection by influenza viruses, but further testing is needed before this approach can be rolled out 2396830-chickens-made-resistant-to-bird-flu-with-crispr-gene-editing|2396830 https://www.newscientist.com/article/2396064-should-we-be-worried-about-ais-growing-energy-use/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 10 Oct 2023 17:00:42 +0100 The expanding use of large AI models demands huge numbers of powerful servers, which could end up consuming as much energy as whole countries 2396064-should-we-be-worried-about-ais-growing-energy-use|2396064 https://www.newscientist.com/article/2396825-ocean-life-surged-500-million-years-ago-due-to-cooler-sea-temperatures/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 10 Oct 2023 17:00:17 +0100 A fall in sea surface temperatures around 500 million years ago led to the evolution of aquatic life that could survive in newly hospitable environments 2396825-ocean-life-surged-500-million-years-ago-due-to-cooler-sea-temperatures|2396825 https://www.newscientist.com/article/2396930-worlds-largest-offshore-wind-farm-sends-first-power-to-uk-grid/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Tue, 10 Oct 2023 19:46:06 +0100 The Dogger Bank offshore wind farm is located off England’s north-east coast and has begun generating power following installation of the first turbine at the site 2396930-worlds-largest-offshore-wind-farm-sends-first-power-to-uk-grid|2396930 https://www.newscientist.com/article/2396670-professional-goalkeepers-perceive-the-world-differently/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Mon, 09 Oct 2023 17:00:10 +0100 Psychological tests reveal that goalkeepers are much better than outfield players or non-footballers at segregating visual and auditory information 2396670-professional-goalkeepers-perceive-the-world-differently|2396670 https://www.newscientist.com/article/2392564-robots-could-make-farms-more-biodiverse-with-precision-crop-planting/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Sun, 08 Oct 2023 16:30:12 +0100 Autonomous farm machinery may enable farmers to scale up the benefits of plant interactions, according to research presented at New Scientist Live 2392564-robots-could-make-farms-more-biodiverse-with-precision-crop-planting|2392564 https://www.newscientist.com/article/2396580-iss-livestream-watch-a-live-link-up-with-astronaut-andreas-mogensen/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Mon, 09 Oct 2023 13:04:03 +0100 ESA astronaut Andreas Mogensen, commander on the International Space Station, answers questions from students at New Scientist Live ahead of him doing his first spacewalk on Thursday 2396580-iss-livestream-watch-a-live-link-up-with-astronaut-andreas-mogensen|2396580 https://www.newscientist.com/article/2396347-pickled-snake-in-museum-is-a-new-species-but-may-already-be-extinct/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Mon, 09 Oct 2023 13:00:52 +0100 A snake kept in a museum in Zimbabwe since 1982 has been assigned to a new species, the Nyanga rinkhals, but biologists fear it may no longer exist in the wild 2396347-pickled-snake-in-museum-is-a-new-species-but-may-already-be-extinct|2396347 https://www.newscientist.com/article/2395992-how-asteroids-can-help-us-understand-our-place-in-the-cosmos/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Mon, 09 Oct 2023 11:00:09 +0100 With the recent launch of the Psyche mission and the return of samples from the asteroid Bennu, asteroids are all the rage – but if they're just big rocks floating in the void, why do scientists care so much about them? 2395992-how-asteroids-can-help-us-understand-our-place-in-the-cosmos|2395992 https://www.newscientist.com/article/mg25934592-400-myths-about-the-microbiome-abound-but-the-truth-is-more-interesting/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Wed, 04 Oct 2023 19:00:00 +0100 Fun “facts” about the microbiome have become common knowledge, but even if we have been getting these wrong, the truth about the bacteria, viruses and fungi that live in our gut is worth exploring mg25934592-400-myths-about-the-microbiome-abound-but-the-truth-is-more-interesting|2395556 https://www.newscientist.com/article/2396260-the-amazon-may-contain-thousands-of-undiscovered-ancient-structures/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Thu, 05 Oct 2023 20:00:37 +0100 Archaeological surveys have uncovered earthworks built by pre-Columbian societies across the Amazon, suggesting the rainforest isn't as pristine as we once thought 2396260-the-amazon-may-contain-thousands-of-undiscovered-ancient-structures|2396260 https://www.newscientist.com/article/2396045-some-of-our-cells-move-and-they-do-it-by-emitting-lots-of-chemicals/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Mon, 09 Oct 2023 09:00:34 +0100 A mammalian cell cannot crawl just anywhere – computer simulations based on experiments suggest that the chemicals the cells leach control the process 2396045-some-of-our-cells-move-and-they-do-it-by-emitting-lots-of-chemicals|2396045 https://www.newscientist.com/article/2396456-largest-known-solar-storm-struck-earth-14300-years-ago/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Mon, 09 Oct 2023 09:00:02 +0100 By comparing the rings of 140 trees buried in the bank of a French river, researchers estimate that the largest solar storm that we know of occurred 14,300 years ago 2396456-largest-known-solar-storm-struck-earth-14300-years-ago|2396456 https://www.newscientist.com/article/2396049-placebos-may-ease-pain-by-acting-on-brain-systems-linked-to-emotions/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Mon, 09 Oct 2023 07:00:58 +0100 Placebos may minimise pain by decreasing activity in systems of the brain that regulate emotions, a discovery that could help us to harness the placebo effect to ease discomfort 2396049-placebos-may-ease-pain-by-acting-on-brain-systems-linked-to-emotions|2396049 https://www.newscientist.com/article/2396025-jwst-should-soon-glimpse-the-very-first-stars-born-after-the-big-bang/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Sat, 07 Oct 2023 15:00:36 +0100 The James Webb Space Telescope is looking ever further back in the universe’s history and the unexpected high luminosity of the sources it sees hints that the way we think stars form from gas in the early universe may need revision, astrophysicist Richard Ellis has revealed at New Scientist Live 2396025-jwst-should-soon-glimpse-the-very-first-stars-born-after-the-big-bang|2396025 https://www.newscientist.com/article/2396400-online-game-could-deter-people-from-being-radicalised-into-terrorism/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Sun, 08 Oct 2023 16:30:52 +0100 Techniques developed to stop people believing conspiracy theories could be adapted to prevent terrorism 2396400-online-game-could-deter-people-from-being-radicalised-into-terrorism|2396400 https://www.newscientist.com/article/2396374-countries-need-to-coordinate-climate-action-says-former-uk-adviser/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Sun, 08 Oct 2023 13:45:55 +0100 Smaller groups of countries should be working together to coordinate on policies to reduce emissions, says former UK climate adviser Simon Sharpe at New Scientist Live 2396374-countries-need-to-coordinate-climate-action-says-former-uk-adviser|2396374 https://www.newscientist.com/article/2395744-why-trying-to-photograph-a-black-hole-was-a-massive-gamble/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Sat, 07 Oct 2023 17:35:27 +0100 Astronomers working on the Event Horizon Telescope project didn't know if their attempt to photograph a black hole would pay off, Luciano Rezzolla tells New Scientist Live 2395744-why-trying-to-photograph-a-black-hole-was-a-massive-gamble|2395744 https://www.newscientist.com/article/2394987-psychedelic-health-claims-may-be-promoting-risky-self-medication/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news Sat, 07 Oct 2023 12:35:02 +0100 Psychedelics such as psilocybin can cause dangerous psychotic experiences and should only be used as part of medical research, warns doctor 2394987-psychedelic-health-claims-may-be-promoting-risky-self-medication|2394987