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.

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 ...

What does clapping for 13 straight minutes do to a person? That question, along with #spitgate, has occupied too much of my mental space throughout this year’s Venice Film Festival. A film I did not ...