A new study from the University of Warwick suggests that the rhythm of human laughter has remained surprisingly consistent for at least 15 million years. By comparing the laughter of humans and other ...

Laughter is a universal social signal that connects us with others, but the brain regions underlying laughter are not well understood, in part because it's hard to elicit genuine laughter in the lab.

Humans are not the only animals that communicate. Birds sing to attract mates, dolphins use signature whistles that identify individuals, and many primates produce complex vocalisations that help them ...