A new book draws on ethnography, neurobiology, and primatology to argue that our reduced sleep is not a byproduct of modern ...

Humans perceive emotional expressions displayed by non-human primates and spontaneously mimic these expressions, according to a study published in the open-access journal PLOS One by Ursula Hess from ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Primates have larger brains ...

Examples for positive, neutral and negative expressions. Copyright held by the authors. Humans perceive emotional expressions displayed by non-human primates and ...

A new study of wrist bones suggests human ancestors may have shared a knuckle-walking past with chimpanzees and gorillas.

This image highlights (red) behavioral domains in left and right brain hemispheres that show high divergence following comparisons. Top shows domains that differ the most between human and chimpanzee.

On dry nights, the San hunter-gatherers of Namibia often sleep under the stars. They have no electric lights or new Netflix releases keeping them awake. Yet when they rise in the morning, they haven’t ...