Why a day isn’t exactly 24 hours: a new study says Earth’s soft, lumpy inner core tugs on the planet and stretches or shrinks the day by milliseconds.
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Scientists Revived Ancient Germ-Fighting Proteins. The Oldest Barely Worked
Scientists rebuilt ancient germ-fighting proteins from extinct mammals. The oldest barely worked, a middle one beat ours, and a cow’s version beat them all.
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Liu Huan Dies at 63: The Olympic Voice Who Stayed a Teacher
Liu Huan, voice of the Beijing Olympics song You and Me, has died at 63. Billions heard him sing, yet for 32 years he kept his day job: teaching music students.
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Gordon Johncock Dies at 90: The Win He Didn’t Celebrate
Gordon Johncock, two-time Indy 500 winner, has died at 90. In 1973 he skipped the victory party to sit with a burned teammate, then ate burgers with his crew.
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Dennis Haskins Dies at 75: The Grown-Up Who Stayed
Dennis Haskins, Saved by the Bell’s Mr. Belding, has died at 75. For 12 years he was the adult who kept showing up for kids who kept testing him. Here is why.
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Street Lighting and Crime: Newark’s Brighter Lights Cut Violence 46%
Street lighting and crime: Newark’s brighter LED lights cut violent crime nearly 46%, then the effect faded. Here’s what researchers say keeps a street safe.
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Blood Sugar Time in Range: Why a Flat Line Isn’t the Goal
Time in range matters, but a perfectly flat line may not. A 400-person diabetes study found in-range days led to better next days, and so did a bit more wobble.
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Why Rheumatoid Arthritis Pain Lingers When the Tests Look Better
Rheumatoid arthritis pain can linger even when inflammation is controlled. Researchers say depression, poor sleep and pain can feed each other. Here’s why.
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The Oldest Complex Life Fossils Only Show Up Where There Was Oxygen
The oldest complex life fossils, 1.75 billion years old, turned up only where Australia’s ancient sea had oxygen. Then they stayed there for a billion years.
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Mike Krukow’s Last Call: Why We Save Thank-Yous for Goodbyes
Mike Krukow called his last Giants game after 37 seasons, and said people suddenly felt an urgency to thank him. Why do we save thank-yous for goodbyes?