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 ...

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 ...

Spoiler: It’s very loud. By Sabrina Imbler Starting in the late 2000s, Colleen Reichmuth and Ole Larsen made a number of visits to Six Flags Discovery Kingdom in Vallejo, Calif., to hear a walrus make ...