Chimpanzees astonished the world by learning sign language. Now only two are left.

In the 1960s and 70s, a group of chimpanzees astonished the world by learning sign language. Only two remain and one question ...
EurekAlert!

Signs on Stone Age objects: Precursor to written language dates back 40,000 years

Over 40,000 years ago, our early ancestors were already carving signs into tools and sculptures. According to a new analysis by linguist Christian Bentz at Saarland University and archaeologist Ewa ...
Science Daily

40,000-year-old signs show humans were recording information long before writing

More than 40,000 years ago, Ice Age humans were carving repeated patterns of dots, lines, and crosses into tools and small ivory figurines. A new computational study of more than 3,000 of these ...

40,000-year-old Stone Age symbols may have paved the way for writing, long before Mesopotamia

Over 40,000 years ago, our early ancestors were already carving signs into tools and sculptures. According to a new analysis ...
The New York Times

Mother Chimp and Daughter Share a Special Sign

Humans are known to invent private hand gestures. Chimps in the wild do, too, a new study suggests. By Brandon Keim Parents and their children, or people who know each other well, often share some ...