News
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PaleontologyWoolly mammoths’ last request: Got water?
Woolly mammoths survived on an Alaskan island thousands of years after mainland mammoths went extinct. But they died out when their lakes dried up, thanks to a warming climate and rising sea levels.
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ArchaeologyParasitic worm eggs found on Silk Road latrine artifacts
Microscopic study of latrine finds indicates disease spread along ancient Asian trade route.
By Bruce Bower -
NeuroscienceGift-giving brain cells are lifeline to injured nerve cells
After an injury, astrocytes give nerve cells a gift of mitochondria, mouse study suggests.
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LifeHuman eye spots single photons
Human eyes are sensitive enough to detect individual particles of light.