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Wisdom Teeth, Part I

May 21, 2007

A listener asks: Why do we have wisdom teeth?

May 17, 2007

A common stomach bug may prevent asthma.

March 14, 2007

Why do so many medical claims get refuted?

March 6, 2007

Climate change is endangering coral reefs around the world.

March 5, 2007

Why don't you have memories from your babyhood? A scientist explains.

February 28, 2007

Is there a link between prostate cancer and lacking male children?

February 23, 2007

Could pollution be a cause of the obesity epidemic?

February 8, 2007

Believe it or not, our bodies have parts that don't have any use.

January 30, 2007

A listener asks: Does the appendix have a purpose?

January 11, 2007

A listener asks: Are identical triplets possible?

January 10, 2007

A new technique may help scientists find out more about how life on Earth began.