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 ...

Facial expressions are central to social life, yet scientists still don’t fully understand how the brain produces them. To ...

The lip-smacking vocalizations gelada monkeys make are surprisingly similar to human speech, a new study finds. Many non-human primates demonstrate lip-smacking behavior, but geladas are the only ones ...

Humans do it. Chimps do it. Why shouldn't monkeys do it, too? Mimicry exists throughout the animal kingdom, but imitation with a purpose--matching one's behavior to others' as a form of social ...

The ability to mimic the facial expressions of others is thought to be linked to empathy. It's known that humans and orangutans "ape" each other in this way, but gelada monkeys appear to do it too, a ...