Biology news

Flocks of starlings ride the wave to escape

Why does it seem as if a dark band ripples through a flock of European starlings that are steering clear of a falcon or a hawk? It all lies in the birds' ability to quickly and repeatedly dip to one side to avoid being attacked. ...

Mar 26, 2015
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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. ...

Mar 26, 2015
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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 ...

Mar 26, 2015
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Just right: A spider's tale

In the Story of Goldilocks and the Three Bears, the little girl tries out the bears' large, medium, and small chairs to find the one that fits her best. When she does, she exclaims, "This chair is just right!"

Mar 25, 2015
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