dancing

The Mysterious Case of Convulsing Cheerleaders

Nuns meowing like cats. School girls laughing uncontrollably. People dancing in the streets until they die from exhaustion. Cristen and Caroline dig into the fascinating history of mass hysterias, why some think it's on the rise today and how it seems to affect more girls and women.

It's evolutionary biology meets "Dancing with the Stars". Researchers at Northumbria University in England studied how heterosexual women responded to male dance moves and which they found most attractive. Based on the study, it's all about midsection motion rather than fancy footwork that sets hearts aflame on the dance floor.