Why Is It?

Hibernating

May 29, 2007

A listener asks: How is hibernation possible?

May 22, 2007

A listener asks: Why do some people fail to get wisdom teeth?

May 21, 2007

A listener asks: Why do we have wisdom teeth?

May 15, 2007

A listener asks: What are the closest living relatives of dinosaurs?

May 10, 2007

A listener asks: Could you replace your skeleton with metal?

April 17, 2007

A listener asks: What's an itch, and can you take a picture of one?

April 12, 2007

A listener asks: Where do the heavy elements come from?

April 3, 2007

A listener asks: Do animals have sex for pleasure?