Planetary Radio • Mar 15, 2004

Defending Earth From Asteroids

On This Episode

Alan Harris

one of many scientists working to protect our little planet from Near Earth Objects

Alan Harris is one of many scientists working to protect our little planet from the kind of rock that may have knocked off the dinosaurs. Hear his thoughts on this week's show. Emily Lakdawalla returns to Q and A, and Bruce Betts gets an unexpected lesson on Shakespeare in What's Up!