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 ...

A fifth-grader has written this blog asking for help with a science project... does anyone have any theories on the sound level (dB) and frequency (Hertz) of the average hand clap? I think he's trying ...

The clapping hands emoji: When used repetitively in a row, it signifies applause, but as any social media user by now understands, that is not the emoji's primary placement in the world of Twitter.

WERTHEIMER: But what makes us clap more for some performances than others? You'd think it's obvious: the better the show, the more applause. Think again. New research at Uppsala University in Sweden ...

In my family, changing the lyrics to “If You’re Happy and You Know It Clap Your Hands” is essential to the song. Whiny, grumpy, snotty, and even verklempt substitute quite nicely for “happy.” Making ...

Meghan Walbert is Lifehacker's Managing Editor. She has a degree in journalism and has worked at Lifehacker as a writer and editor since 2018, covering parenting, foster care, online child safety, and ...

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 ...