The most fundamental question about human existence is where do we come from? Charles Darwin's theory of evolution has supplied a scientific explanation for nearly two centuries. The Catholic Church, while always maintaining belief in a creator, has accepted evolution as ""more than a theory"" but not as a wholesale explanation for the mystery of human life. In this riveting Focus show David Naglieri explores the latest attempts to merge evolutionary theory with theology, and the new challenges to evolution being raised by Intelligent Design.