Capuchin monkeys stick their fingers in their friends' eyes as sign of affection, why have humans developed kissing?" Adriano R. Lameira, a researcher at the U.K.'s University of Warwick, wrote in ...

Kissing is one of the few natural human gestures that carries significant symbolism and social expectations. For over 4,500 years, cultural norms across civilizations have shaped how affection can ...

Monkeys are better yodelers than humans, study finds Voice breaks in Latin American monkey calls resemble human yodeling, but over a much wider frequency range.

Kissing has not always been a sign of affection, according to new research. A.S./peopleimages.com - stock.adobe.com Kiss your assumptions goodbye. You may think you know why humans enjoy smooching ...

When monkeys in Thailand use stones as hammers and anvils to help them crack open nuts, they often accidentally create sharp flakes of rock that look like the stone cutting tools made by early humans.

Marmoset monkeys make complex vocalizations. Macaque monkeys don't. And the reason could help explain how the human brain evolved to produce speech. Some monkeys have astounding vocal abilities ...

When monkeys in Thailand use stones as hammers and anvils to help them crack open nuts, they often accidentally create sharp flakes of rock that look like the stone cutting tools made by early humans.

Kissing in the rain might be a standard scene in a romcom, but when you think about it, locking lips is quite a strange thing for us humans to do. In a paper in the journal Evolutionary ...