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Geologists think these iconic chalk cliffs hold an extraordinary secret.
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Is there life beyond Earth? The solar system's ocean worlds might be the most promising pl
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Ben Francis became addicted to opioid painkillers in high school after a soccer injury.
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Football is a full-contact sport, but can a high tech mouth guard help save players’ brain
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Stephen Hawking had a way of bringing the most cosmic ideas down to Earth.
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The WannaCry cyberattack cost the economy billions of dollars. Here's why that's scary.
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Can states, cities, and companies fulfill US obligations to the Paris Accord on their own?
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To make their delivery schedule, how quickly must Santa and his reindeer travel the world?
