Human evolution is generally explained through changes in brain size, locomotion or tool use, but new research from Wits University suggests that gum disease and changes in facial structure may have ...

All great apes exchange calls of some sort, whether it’s an orangutan’s hoot, a bonobo’s chatter, a gorilla’s grunt, or a ...

What would a person in Revolutionary America sound like? Early letters, documents, and diaries help us listen in.

Biologists group animals with similar traits into broad categories called orders. Despite their similarities, animal species ...

In fact, when they were tickled, laughter from both apes and humans was isochronous, meaning that the laughs followed a ...

All living great apes (orangutans, bonobos, chimpanzees, gorillas, and humans) laugh. However, it’s been unclear how laughter ...

A study of chimps, gorillas and other great apes, including human children, sheds light on how laughter has evolved.