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AnalysisBlue whales have gone missing off the Galápagos. Scientists think El Niño could be why.Blue whale sightings have fallen off dramatically near the Galápagos. El Niño may be to blame.
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AnalysisCould AI ever build itself? Scientists map the road to the 'last AI built by humans.'Researchers hope recursive self-improvement could tackle the skyrocketing costs of developing advanced AI models. But is it viable?
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AnalysisColorectal cancer cases in kids have risen sixfold over past 2 decades — researchers are racing to understand whyWhile rare, colorectal cancer is becoming more common in kids, teens and young adults, and the disease appears particularly aggressive in this age group.
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AnalysisChristina Applegate misdiagnosis: Why can MS be difficult to diagnose?MS advocate Christina Applegate recently announced that her MS diagnosis was incorrect, based on new test results. Why can the disease be difficult to identify?
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AnalysisScientists can now 'watermark' AI-generated proteins to deter bioweapon creation. But will it really work?A new technology encodes an invisible mark into the structure of AI-generated proteins, but experts said the system's guardrails can still be bypassed.
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AnalysisMicrosoft's latest quantum chip is 1,000 times more reliable than its predecessor — but why is it so controversial?The Majorana 2 quantum processor is built from topological qubits, and its creators claim it can sustain quantum coherence for an average of 20 seconds — orders of magnitude longer than the milliseconds that conventional chips last.
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Analysis'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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AnalysisEbola outbreak in Central Africa will be a nightmare to contain, experts warnExperts 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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AnalysisScientists claimed the world's oldest rock art is 67,800 years old. But is the science behind that estimate flawed?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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AnalysisCan AI really simulate human thinking? Research casts doubt on an influential study, suggesting an advanced model was just really good at memorizing patterns.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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AnalysisMore young people are getting colorectal cancer — here's what scientists think might be happeningPeople 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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AnalysisAI self-replication hacks 'no longer purely theoretical,' study finds — but experts say it's too soon to panicResearchers 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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Viruses, Infections & DiseaseHantavirus 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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HealthSome 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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