My brother teaches middle school social studies, a job that requires him to give lots and lots of feedback. Some of it is called grading. A big part of his job is to teach kids to do a careful ...

Tinkerbell was growing weaker, her light fading, but when all the little children began clapping their hands, Tinkerbell sprang back to life. Whether you believe in fairies or not, wouldn’t it be cool ...

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.

What makes us clap more for some performances than others? You'd think it's obvious: The better the show, the more applause. Think again. Guest host Linda Wertheimer explores how and why applause ...