Science news articles about 'human laughter'

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

... 16 million years of primate evolutionary history. But human laughter is nonetheless acoustically distinct from that of great ... 4.5 to 6 million years ago, Davila Ross says. For instance, humans make ...

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

Autistic children laugh in a unique way that could reveal more about the nature of human laughter, a study found.