An international study led by the University of Oxford documented 427 friendly cross-species interactions involving 88 primate species and 127 partner species, including dogs, pigs, birds, squirrels, ...

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.

Scientists have long tried to understand the human brain by comparing it to other primates. Researchers are still trying to understand what makes our brain different from our closest relatives. Our ...

Brains rot within days. The bony case that held them can last 33 million years, which is why primate brain evolution has been ...

Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining strong teeth and defending against oral disease. However, the evolution of ...

We are the worst primates when it comes to wound healing, according to a new study. Our wounds heal nearly three times slower than those of chimpanzees, our closest living relatives, and other ...

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 ...

Interactions between primates and animals outside their families have been documented for a long time, from predator-prey ...

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 ...