Video: More about Uncanny Valley Syndrome from MOCH it. Rhesus macaques are a species of monkey often used in behavioral and neurophysiology research, but this research is hard to reproduce because ...

Get unlimited access to ad-free articles and exclusive content. LiveScience The lip-smacking vocalizations gelada monkeys make are surprisingly similar to human speech, a new study finds. Many ...

The throat and facial movements that twist the air pushing through your vocal cords into words could be rooted in the well-meaning expressions primates exchange with each other, according to two ...

Friendly lip-smacks made by a large African monkey show striking similarities with human speech, say scientists. Geladas, close cousins of the baboon that only live in the remote mountains of Ethiopia ...

A study of our closest evolutionary relatives finds that the chimp behavior known as lip smacking occurs in the same timing range as human mouths during speech. Whether portrayed by Rex Harrison, ...