Scientists have long thought humans have a uniquely difficult birth compared to other primates.And it's true that from an evolutionary perspective, we face an obstetrical dilemma. As we evolved to ...

We readily distinguish regular geometric shapes with features like parallel sides, symmetry, and right angles from irregular ...

Our geometric intuition, long considered something that sets us apart, seems to be shared with other primates.

With their ability to use tools, remember faces and even learn how to communicate with humans through sign language, nonhuman ...

Humans sleep less than every other primate on record, despite having the biggest brains — biologists call it the human sleep paradox.

(Cavan Images/Raffi Maghdessian/Getty Images) If you've ever gone hiking and reached a fork in the trail, you may be ...

Summary: A research team demonstrated that non-human primates (olive baboons and Rhesus macaques), young human children, and ...

The study provides the first evidence that baboons and macaques share the same geometric intuitions present in young humans.

A team of evolutionary scientists, dermatologists and wildlife specialists affiliated with several institutions in Japan, Kenya and France has found that human skin wounds take nearly three times as ...

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

On West Africa’s stunningly diverse Bioko Island, rare primates are being slaughtered to feed a growing bush-meat trade. When ...