Proving you're never too young to be an Internet star, an ultrasound video that shows an unborn baby clapping to a children's song has gone viral. Mom Jen Cardinal posted the clip on YouTube Thursday, ...

Where exactly did the tradition of clapping to express pleasure come from? In the course of researching this, I was surprised to find how many people want to argue about whether it is appropriate to ...

Clapping is both a scientific event and a social gesture. A study explores the complex physics behind the sound of clapping. The noise originates from compressed air, not just hand collisions.

Have you noticed how much we are clapping these days, writes Monica Dyson. I became much more aware of it when I recently attended a wedding and a week or so later, a funeral. Did you know with a ...