Science
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Self-Love Is Important, but We Mammals Are Stuck With Sex
If Galentine’s Day had an animal mascot, it would have to be one of the species whose females can reproduce…
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An Asteroid Wiped Out Dinosaurs. Did It Help Birds Flourish?
Today’s birds began their evolution into more than 10,000 species long before the fateful collision, a new genetic study found.
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A Mushroom Grew in a Strange Place: The Side of a Frog
Maybe frog and fungi are friends.
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The Doomsday Clock Keeps Ticking
The Bomb and I go way back. In Seattle, where I grew up in the 1950s and ’60s, it was…
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It Started as Winter Break. It Ended With a Doomed Moon Mission.
Carnegie Mellon University students built Iris, a tiny lunar rover. When the spacecraft carrying it to the moon malfunctioned, they…
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Polluted Flowers Smell Less Sweet to Pollinators, Study Finds
The damage that air pollution can do is wide-ranging and well-known: The chemicals produced by human activities can trap heat…
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How Earth Might Have Turned Into a Snowball
A team of scientists thinks the planet may have been thrust into its longest ice age because less gas leaked…
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A Two-Ton Lifeguard That Saved a Young Pup
In an unlikely act of altruism observed two years ago, a male elephant seal prevented a younger animal from drowning.
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NASA Spots Signs of Twin Volcanic Plumes on Jupiter’s Moon Io
On Saturday, NASA’s Juno orbiter got a second close-up with Io, Jupiter’s third-largest moon and the most volcanic world of…
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Scaly Fossil Is the Oldest-Known Piece of Skin
The specimen came from a 289 million-year-old fossil deposit and might offer clues to how skin evolved.