Biology's Big Bang: The Cambrian Explosion

Darwinian evolution predicts the gradual emergence of new life forms in the history of life. But the fossil record tells a different story. Journey with Professor Paul K. Chien to Chengjiang, China, and the world's most extraordinary Cambrian fossil site. As he shows, this fossil site (along with many others around the world) points not to gradual evolution but to the sudden appearance of entirely new animal body plans. The best explanation? Intelligent design.