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Science News

A passing star could fling Earth out of orbit

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Personalized gene editing saved a baby, but the tech’s future is uncertain

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‘Silent’ cells play a surprising role in how brains work

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Bedbugs may have been one of the first urban pests

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Humans used whale bones to make tools 20,000 years ago

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The first cicada concert was 47 million years ago

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The long and short of science

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Readers discuss the biology of sex, plastic in the brain and more

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Math puzzle: The conundrum of sharing

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Wet fingers always wrinkle in the same way

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Sloths once came in a dizzying array of sizes. Here’s why

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