Geneticists have offered an explanation for the strange wrinkles of Shar-Pei dogs. They found a particular gene related to skin production, and mutations in that gene likely led to the distinctive look of the breed. More here.
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.