Examines how the migration of humans from Africa to Europe and their domestication of dogs increased the hunting of large Ice Age mammals, leading to the ultimate extinction of Neanderthals.

Four amateur adventurers set out to uncover an ancient secret in the Sahara desert, where they uncover a gateway between planets that links Earth to distant worlds where they discover wonders and terrors beyond anything they had imagined.

Explores how the everyday activity of eating provides deep insights into humanity's cultural and biological heritage, starting with the diets of our earliest ancestors, and examines eating's role in the evolution of the brain.