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'It's being promoted like there's absolutely no risk': Why some experts say melatonin should be considered a drug rather than a supplementResearchers want stricter testing, better labels and accurate dosages for a wildly popular sleep aid that comes with some risks.
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Ebola outbreak in Central Africa will be a nightmare to contain, experts warnAnalysis Experts say the Ebola outbreak raging in Central Africa could be challenging to contain due to ongoing conflict in the region and a lack of vaccines and international aid.
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Scientists claimed the world's oldest rock art is 67,800 years old. But is the science behind that estimate flawed?Analysis A technique that has rewritten the timeline of prehistoric art may be overestimating the ages of cave paintings, some scientists say.
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Can AI really simulate human thinking? Research casts doubt on an influential study, suggesting an advanced model was just really good at memorizing patterns.Analysis A study published in July 2025 claimed the Centaur AI model could simulate and predict human behavior with astonishing accuracy. A counter study raises doubts.
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More young people are getting colorectal cancer — here's what scientists think might be happeningAnalysis People 65 and older are seeing their rates of colorectal cancer drop, but younger people are being felled by a rising number of cases.
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AI self-replication hacks 'no longer purely theoretical,' study finds — but experts say it's too soon to panicAnalysis Researchers say AI models can now replicate themselves across vulnerable systems, but experts warn the real threat is not rogue machine intelligence but cybercriminals weaponizing AI agents.
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Hantavirus outbreaks could become more likely as virus-carrying rodents expand their range, model findsNew models chart how virus-carrying rodents may spread across Argentina as climate change reshapes weather patterns.
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Some gene therapies no longer require clinical trials, thanks to new FDA rule. Is this safe, and who will it help?The FDA is launching a new framework to deliver tailor-made gene therapies to people with rare genetic disorders. Discussions about whom to treat and how to monitor patients are ongoing.
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Can NASA and SpaceX really build a moon base in the next 10 years?Experts say building a lunar colony within the next decade, as NASA and Elon Musk want to, will require finding solutions to problems we don't yet fully understand.
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