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

Scroll down for a transcription of this episode. Relieve stress, boost self-esteem, and increase focus through a simple body music practice by body percussionist Keith Terry. We’d love to hear about ...

ITHACA, N.Y. — Every time you applaud at a concert or celebrate a touchdown, your hands are performing a feat of physics that scientists have puzzled over for decades. Cornell University researchers ...