One of Science's greatest theories; Evolution, is under attack. The threat is emerging from the only scientific superpower on earth, provoking some of the biggest names in science to hit back...
The controversy surrounds a new explanation for the diversity found on planet earth, for many, it threatens to replace science with God.
This is the story of a battle between faith and Knowledge, and is a defining moment in the scientific landscape of of the 21st Century.
BBC Science and Nature - Horizon