Daniel Dennet - origin of religion using evolution
Dr. Robert Lanza on the future of medicine, and Lester Brown on the state of the earth.
Drs. Carl Zimmer and Robert Hagen discuss evolution of life on earth and in outer space
Dr. Charles Seife - can fusion solve the energy crisis?
The life, religion, and politics of Albert Einstein. With guests, Fred Jerome and John Brinster.
Sudhir Rajan author of Suicidal Planet, and Nobel laureate Gerald Edelman, speaking about the brain.
Michael Maggellet and James Oskins on secret nuclear weapons accidents.
Dr. Carl Zimmer on the evolution of the human brain, and Dr. Robert Hagen on the evolution of life in space.
Simon Sing on the origin of the Universe, and Dr. Spencer Wells on the origin of the human race via DNA analysis.