Hand clapping is ubiquitous behavior for humans across time and cultures, serving many different purposes: to signify approval with applause, for instance, or to keep time to music. Acousticians often ...

Social contagion If you wish to avoid the social faux pas of clapping at the wrong time, listen carefully to the volume of noise around you. That's the conclusion of a study about the social dynamics ...

WHEN I WAS GROWING UP, I ENVIED SALLY CULVER. Though she was five years younger, she had somehow managed to get herself a fan club. It began one summer evening, when Mrs. Culver brought her 1 year-old ...

I’m a 31-year-old attractive single woman, and I recently went on Match.com and found a guy. Our e-mails and one phone conversation went well, and he seemed kind and was OK-looking in his picture, so ...

Clapping is a behavior so deeply rooted in human beings it’s almost an instinct. You can see babies and toddlers clapping just because everybody else is, and if you’ve ever felt the pressure to be ...

In a scene toward the end of the 2006 film, "X-Men: The Last Stand," a character claps and sends a shock wave that knocks out an opposing army. Sunny Jung, professor of biological and environmental ...

One readily noticeable pathognomonic trait of autism is hand-flapping—a stereotyped motor movement that can look a bit like an attempt to accelerating the drying of nail polish. Not all with autism do ...