In the first half of the show, Leonard Mlodinow, an author with a Ph.D. in theoretical physics, talked about the explosion of science in the last 50 years and how it's propelling us into a fascinating new future.
In the latter half, paranormal investigator, author, and publisher of Intrepid Magazine, Scott Roberts, talked about the veracity of biblical history and archaeology, and various metaphysical aspects.
Tracks and trash left by Apollo astronauts have been captured in new photos by NASA's Lunar Reconnaissance Orbiter. The images show show paths left by a moon buggy, and even left behind backpacks. More here.