It's such a natural reaction, but how did this custom begin?

This post is co-authored by Ron Riggio and nonverbal communication expert Alan Crawley. When and why do we clap? We get startled, and we clap. We try to get our dog’s (or our child’s) attention, and ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. If wordlessly clapping your hands to make as much noise as possible feels like a rather primitive thing to do, you'd be quite ...