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 ...

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 ...

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

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 ...

Figure 1. Aged cynomolgus monkey. Cerebral amyloid angiopathy involves blood vessels of the meninge (A), frontal cortex (FC), parietal cortex (Par C), and amygdala (Amyg) with additional β-amyloid (Aβ ...

Although about half of primate species play as adults with other adults, a team of international researchers has just ...