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Why are there redheads? Birds might hold the clues

Red coloration—historically seen as costly in vertebrates—historically seen as costly in vertebrates—might represent some physiological benefit after all, according to research published in the journal Physiological ...

Analyzing the boundaries of privacy in a connected world

About five years ago, Catherine Tucker was pregnant with identical twins when she encountered a serious medical issue. Her unborn children were diagnosed with twin-to-twin transfusion syndrome, a dangerous condition in which ...

Long menopause allows killer whales to care for adult sons

Scientists have found the answer to why female killer whales have the longest menopause of any non-human species - to care for their adult sons. Led by the Universities of Exeter and York and published in the journal Science ...

Cyprus offers safe haven for turtles across divide

On a late August evening, thousands of baby endangered sea turtles flip, flop and somersault down the sands of this protected beach in northern Cyprus as excited onlookers cheer them on.

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