Bird song is lovely to hear, a romantic addition to any landscape, but what exactly does it mean? We'll find out, on today's Moment of Science.
Today's Moment of Science asks the question: "Have you really been there before"?
MTV for Martians? Maybe not, but the idea of broadcasting into space is not as far out as you'd think!
Ever wonder how Velcro works? Find out more on today's Moment of Science.