College Park, MD (October 3, 2001)-Humans have many ways to express themselves, but one of the most enjoyable-and mysterious-is laughter. More than a frivolous emotional outburst, laughter has many ...

Melanin Bee arches her spine like a stretching cat and releases a loud, exaggerated laugh. It begins as an awkward, ...

Forbes contributors publish independent expert analyses and insights. David DiSalvo writes about science, tech and culture. Intuitively we know that laughter is one of the best tools we have for ...

The "mutual vulnerability theory" I have been promoting in this blog series defines laughter as a vocal affirmation of mutual vulnerability. In the previous posts, in order to account for the ...

For many years psychologists and behavioral biologists agreed that laughter was a unique emotional expression found only in humans. However, as the study of animal emotions expanded this idea was ...

Among humans, laughter can signify a lot of different things, from intimacy to discomfort. Among animals, however, laughter usually communicates something along the lines of “this is playtime—I’m not ...