Friday, June 05, 2009

Chuckling Chimps Traced To Human Laughter

(AP) When scientists set out to trace the roots of human laughter, some chimps and gorillas were just tickled to help. Literally.

That's how researchers made a variety of apes and some human babies laugh. After analyzing the sounds, they concluded that people and great apes inherited laughter from a shared ancestor that lived more than 10 million years ago.

More...

See also:

Chimp-Made Toolkit Most Complex Ever Found

New Hominid 12 Million Years Old Found In Spain, With 'Modern' Facial Features

Where Art and Paleontology Intersect, Fossils Become Faces

When Evolution Is Not So Slow And Gradual

Gay penguin pair raising chick