Science
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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.
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New Origin Story for Tyrannosaurus Rex Suggested by Fossil
Researchers say the species they named Tyrannosaurus mcraeensis predated the dinosaur era’s great predator.
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Scientists Scramble to Keep Dog Aging Project Alive
The National Institute on Aging may let funding lapse for a yearslong study of nearly 50,000 pet dogs, which could…
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The Biggest Ape That Ever Lived Was Not Too Big to Fail
Fossil teeth reveal Gigantopithecus was doomed by a changing environment and an inflexible diet.