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Detail of a Phoenician grinning mask, 4th century BC, found in a grave at San Sperate, Cagliari, Museo Archeologico Nazionale.

An Ancient Method of Forced Euthanasia: The Disturbing Truth Behind a Sardonic Grin

Creepy and more than a little uncomfortable to behold, one usually thinks of DC Comics' Joker when hearing the phrase "sardonic grin." A "smile" that pulls up the corners of the mouth in a way that...
Detail of Leonardo da Vinci’s famous painting, The Mona Lisa. It now hangs in the Louvre in Paris.

Archaeologists say they have found the bones of Mona Lisa, but cannot extract DNA

A team of researchers seeking to unveil the true identity of the mysterious model who sat for Leonardo da Vinci’s world renowned painting, The Mona Lisa, say they have found bones of the woman with...