Our brains are exquisitely tuned to perceive, recognize and remember faces. We can easily find a friend's face among dozens or hundreds of unfamiliar faces in a busy street. We look at one another's ...

A DRAWING discovered by a potholer on the wall of a cave in the west of France appears to be the oldest known portrait of a human face. The 27,000-year-old work was found by a local pensioner, Gérard ...