News
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NeuroscienceBoth fish and humans have REM-like sleep
Sleeping zebrafish have brain and body activity similar to snoozing mammals, suggesting that sleep evolved at least 450 million years ago.
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AnthropologyA Greek skull may belong to the oldest human found outside of Africa
Humans possibly reached southeastern Europe by 210,000 years ago.
By Bruce Bower -
AstronomyMoons that escape their planets could become ‘ploonets’
If giant planets in other star systems lose their moons, the freed objects could become “ploonets,” and current telescopes may be able to find them.
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OceansA mysterious coral disease is ravaging Caribbean reefs
Scientists are racing to learn what’s behind a disease that’s “annihilating” whole coral species in hopes of stopping it.