Long before the Sumerians pressed reeds into clay, humans may have already taken their first steps toward writing. Forty thousand years ago, in the depths of Ice Age caves, people began leaving behind ...

Ice-age children are behind some unusual drawings in the Las Monedas Cave in Spain, a new study claims. Here & Now's Peter O'Dowd talks with Isobel Wisher, a postdoctoral researcher in the Evolution ...