Humans may be the only species that appreciates jokes, but we inherited the response—laughter—from our closest relatives. Meet researchers who are tickling baby chimps, bonobos, and gorillas to record ...

The sound of laughter may make you smile and laugh, British researchers report. "It seems that it's absolutely true that 'laugh and the whole world laughs with you,'" Sophie Scott, Ph.D., says in a ...

A burst of contagious laughter feels like the instant release of joy captured right at the threshold of an open studio microphone. The recording layers bright, round vowel tones—“hee,” “ha,” and “ha!” ...

Human behaviour When you laugh, the whole world laughs with you - as long as your sentiment is genuine, your vocal cords are engaged, and your mouth is open. A new study has that people experienced ...

A new study in the journal Bioacoustics found that 65 different species of animals have their own form of laughter. Study co-author Sasha Winkler describes the sounds animals make during play.

Infant laughter is a rewarding experience. It activates neural reward circuits and promotes parental proximity and care, thus facilitating parent–infant attachment. The neuropeptide oxytocin might ...

Psychologists have long pondered the meaning of laughter, and more recently, they've asked what it tells us about the relationship between people. GREG BRYANT: Can people make accurate judgments about ...

Add Yahoo as a preferred source to see more of our stories on Google. A well-deployed laugh can help grease a social interaction, even if nothing is funny. Catherine Falls Commercial/Moment via Getty ...

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 ...