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 ...

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 ...

The results of a UA study may be the stepping stone to furthering research regarding the interworkings of human social interaction. Researchers have discovered new cells in the amygdala, a part of the ...