Biology news

New thesis maps the origin of colour vision

Roughly 500 million years ago, the genome of vertebrate animals' early ancestors doubled in size, not just once but twice. This meant that suddenly there were several gene copies which were free to develop new functions. ...

15 hours ago
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Coyotes filling wolves' niche in southeastern US

It's believed that wolves once roamed the southeastern United States before they were eliminated by overhunting and habitat loss. Now the region has a new top dog, the coyote, which may fill the role once ...

17 hours ago
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