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Science

Scientists discover why some DNA-doubled cells refuse to die

Experts explain how sunscreen really works—and why better ones may be coming soon

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Mars astronauts may do laundry by blasting clothes with a plasma beam

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Why your brain needs plenty of “Aha!” moments

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Tropical cyclones now release ocean carbon, but warming could flip role by 2035

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The Southwest's drought is shrinking wildlife's suitable habitat, with predators hit hardest

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China launches crewed space flight as part of moon ambitions

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With ice cream and giant fans, hajj pilgrims battle searing heat

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Adorable tiny blue octopus found nearly 6,000 feet beneath the Galápagos

Beet juice lowers blood pressure in older adults in just 2 weeks

Scientists supercharge natural killer cells to fight aggressive cancers

Scientists discover hidden liver switch that cuts harmful cholesterol

Expedition to Hess Rise in the Northwest Pacific begins

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This tiny blue octopus from the Galápagos could curl up in your hand and shows how much deep ocean remains unexplored

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The Pennine hills are full of holes—here's how they're helping fight climate change

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Cooling poverty is making extreme heat more dangerous for millions

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