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AnalysisAI found a weakness in one of the world's most studied encryption systems — is your data under threat?No, AI hasn't cracked the encryption protecting your bank account. But experts say Anthropic's latest research could change how tomorrow's cryptography is tested.
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AnalysisHalf of the world's dams could be 'functionally inoperable' by 2060 from being flooded with sediment — and the American West is a major hotspotResearch shows a fifth of the world's reservoirs are currently at high risk of filling with sediment, creating a "ticking time bomb" that threatens lives and livelihoods.
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AnalysisDid fungi give mammals an evolutionary edge after the dinosaur-killing asteroid hit? New evidence revives a provocative hypothesisA revived hypothesis argues that a fungus-filled world after the Chicxulub asteroid impact may have given mammals an evolutionary edge. The idea could reshape how scientists think about mass extinctions, but it is still controversial.
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AnalysisCould we prevent dementia? A new trial may point the way.While much funding for dementia research goes toward treatments, some scientists want to reduce people's risk of developing the condition in the first place.
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AnalysisMilitary's testosterone screening program could lead to overtreatment and side effects, including impaired T productionThe U.S. Department of Defense plans to conduct regular testosterone screening of service members, but this practice is not recommended by professional medical organizations.
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Rivers & Oceans'A completely new reality': Bolder measures are needed to prevent extreme water shortages in cities like Phoenix and Las Vegas that depend on the Colorado RiverCities fed by the Colorado River have taken huge steps to reduce their water consumption over the past few decades, yet water shortages are projected to grow more intense. What can be done?
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The MoonThere were 'audible screams of delight': Why Artemis II sightings of meteor flashes on the moon have scientists giddyMeteorite strikes spotted on the moon by the Artemis II crew will help scientists assess dangers to future moon bases, infrastructure, and astronauts.
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Medicine & DrugsScientists are trying to build a vaccine that works against almost any respiratory pathogen — here's how close they are.A nasal spray in mice boosted lung immunity against viruses, bacteria and allergens — but a truly universal vaccine is still years away.
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HealthAI-written code can beat humans at biomedical analysis, some studies find. What does that mean for the field?LLMs can accelerate medical research, scientists say, but they come with risks.
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HealthDiabetes rates are lower in high-altitude environments — and scientists may have discovered whyA new study finds that in low-oxygen environments, red blood cells absorb more glucose and convert it into a molecule that helps release oxygen into tissues, revealing an unexpected way the body regulates blood sugar.
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Human EvolutionHomo habilis is the earliest named human. But is it even human?Between 2 million and 3 million years ago, humans appeared in Africa — but identifying them in the fossil record is turning out to be surprisingly difficult.
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Artificial Intelligence'Not how you build a digital mind': How reasoning failures are preventing AI models from achieving human-level intelligenceExisting LLM architecture may not support the problem-solving capabilities needed to underpin human-level AI, the authors of a new study argue.
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Mixed RealityIs the metaverse finally dead and buried? What's really going on with the embattled idea of living in virtual worlds.Touted as the next big thing just a few years back, the development of and hype fueling the metaverse have spluttered to a halt. Is it headed for the scrapheap of history?
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Electric VehiclesThe first flying taxis could start operating in 2026 — will this new form of transport actually take off?Flying cars have been on the cusp of a breakthrough for a while, so what's stopping them from taking to the skies?
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