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What's the biggest bottleneck to building better AI? It's no longer the lack of computing resources — it's generating enough energy to feed itFor decades, AI was held back by slow, expensive computers. Today, the problem is simpler, but harder to fix: finding enough reliable electricity to keep data centers running as AI spreads into everyday life.
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Planting trees in the sea could act as a huge carbon sink and save millions of dollars in storm damage every year. What is stopping us from doing it?A new study reveals restoring mangroves could save $800 million in storm damage, protect 140,000 people from flooding, and remove almost triple the amount of CO2 produced by cars in the U.S. every year.
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Your own voice could be your biggest privacy threat. How can we stop AI technologies exploiting it?Voices contain countless cues about their owners, and new research suggests that computers might use them to facilitate a range of bad behaviors.
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The biggest trees in the Peruvian Amazon store the most carbon — and they also face the greatest threat from humansThe Amazon's biggest trees store disproportionately more carbon than smaller trees do, new study finds. But in the Peruvian Amazon, large trees are currently prioritized for harvest.
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'DNA origami' could be key for making an effective HIV vaccine, early study hintsA new vaccine design uses folded DNA to steer the immune system toward producing the rare immune cells needed to make protective antibodies against HIV.
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'Night owls' may have worse heart health — but why?Emerging evidence suggests that "night owls" are more likely to have poor heart health and a higher risk of heart attack or stroke than "morning larks." Why is that?
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'There's no reason to ban us from playing': Analysis debunks notion that transgender women have inherent physical advantages in sportsA meta-analysis of 52 studies that included over 5,000 transgender people suggests that transgender women's physical fitness after hormone therapy is comparable to that of cisgender women.
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Earth is 'missing' lighter elements. They may be hiding in its solid inner core.These chemical oddities may explain why Earth seems to be deficient in certain elements — and could prove useful in catalysts and more.
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Thousands of dams in the US are old, damaged and unable to cope with extreme weather. How bad is it?Dams in the U.S. are showing signs of damage that are worsening with age and climate change. Could satellites help prioritize repairs amid budget and inspection constraints?
