Life
Bears may self-medicate against ticks by rubbing against trees
Brown bears often scratch their backs on trees, leaving behind chemical signals to other bears. Now, it seems the act also helps protect them from ticks
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Life
鈥楲ove hormone’ may not be crucial for social bonding after all
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Life
Early relatives of primates lived in the Arctic 52 million years ago
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Life
Fruit bats get swabbed to look for diseases that could jump to humans
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Life
Dogs can tell when you want to give them a treat 鈥� even if you don鈥檛
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Life
Wolves are eating sea otters after depleting an Alaskan island鈥檚 deer
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Life
Ghost knifefish make electric ‘chirps’ to spot where other fish are
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Life
Treasure trove of fossil eggs hints titanosaurs nested in colonies
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Mind
Children aged 5 are better at switching their attention than chimps
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Life
Trilobites used trident-like horns to fight over mates like stags
Three-pronged weapons on the heads of Walliserops fossils suggest that animals first duelled in sexual combat at least 400 million years ago
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Environment
Protected areas in Britain fail to stop loss of insects and spiders
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Life
Lizards that survived wildfires are more alert to the sound of flames
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Life
Sloths have double the grip strength of humans and other primates
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Life
Urban lizards have gene mutations that help them adapt to city life
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