A round of applause, please: Scientists have finally figured out what’s behind the sound of clapping. The research pinpoints a mechanism called a Helmholtz resonator — the same acoustic concept that ...

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 ...

Grey seals will clap their forelimbs together underwater, generating a sharp sound that communicates to others around them. Ben Burville Put your hands together: At long last, a 17-year-long research ...

I was working for Communities In Schools, a national organization whose mission is to empower students to stay in school and achieve in life. In 1977, CIS founder Bill Milliken came up with the idea ...