Thanks to modern genetics research and imaging techniques, our understanding of the brain is more powerful than ever. Delve into the secrets of this mysterious organ with an insightful tour based on the field of neuroscience that helps us understand not only the functions of the brain, but also learning, behavior, and development.

200,000 years ago we took our first steps in Africa. Today there are seven billion of us living across the planet. How did our ancestors spread from continent to continent? This is a global detective story, featuring the latest archaeological discoveries and genetic research. On each continent, we track down the earliest members of our species, Homo sapiens. Who were these First Peoples? What drove them to the ends of the earth?

The co-recipient of the 2009 Nobel Prize in Chemistry discusses his critical research on the ribosome, a molecular machine that actually forces DNA into action, turning genetic code into functioning proteins that create life. "Everyone has heard of DNA--the molecule that seems to hold the secrets to all life. But by itself, DNA is little more than a blueprint for life, resting inertly within our cells. Hardly anyone, however, has heard of a ribosome....