October 6, 2006: Hour One: 2006 Nobel Prizes
October 6, 2006: Hour Two: Richard Dawkins / Salmon Farming
October 13, 2006: Hour One: US Population at 300 Million / Water Policy
October 13, 2006: Hour Two: California's Global Warming Plan
October 20, 2006: Hour One: Science as an Election issue / Religion and Global Warming
October 20, 2006: Hour Two: Marijuana and Alzheimer's / Violet Fire Opera about Tesla / Sean Carroll on Evolution
October 27, 2006, Hour One: E-Voting / Flu Prep / WTC Rescuers' Illness
October 27, 2006: Hour Two: Dava Sobel, 'The Planets' / Mary Roach, 'Spook: Science Tackles The Afterlife'