For centuries scientists and philosophers have marveled at coincidence.

Mathematics, a creation of human reason, can predict the nature of the universe, a fact physicist Eugene Wigner referred to as the "unreasonable effectiveness of mathematics in the physical sciences."

In the last three decades astronomers and cosmologists have noticed another, seemingly unrelated, mystery. Contrary to all expectations, the laws of physics seem precisely "fine-tuned" for the existence of complex life.

From the producers of  Unlocking the Mysteries of Life a documentary that seeks whether the earth is merely a speck of dust lost without significance in the universe or the product of intelligent design.