Tells the story of how Professor Lee Berger and his nine-year-old son used Google Earth to find a new way to study the history of human evolution.

""The Rights of Man." What does that mean? In 1789 that question rippled all around the world. Do all men have rights--not just nobles and kings? What then of enslaved people, women, the original inhabitants of the Americas? In the new United States a bill of rights was passed, while in France the nation tumbled toward revolution. In the Caribbean preachers brought word of equality, while in the South Pacific sailors mutinied. New knowledge was exploding,...