Bernd Heinrich On His 'Unusual' Life As A Runner And Biologist In Maine

A new book out Tuesday, "Racing the Clock: Running Across a Lifetime,"explores a life of scientific research and discovery in nature, and someextraordinary feats of the human body. And the author himself, BerndHeinrich, is the subject of both. Jeffrey Brown went deep into the woods ofMaine for our story. It's part of our arts and culture series, CANVAS.