September 1, 2006: Hour One: Home Gene Tests / D. I. Y.
September 1, 2006: Hour Two: Doctor's Office: Conflict of Interest in Medicine
September 8, 2006: Hour One: Planet Petition / Moon Missions / New NASA Crew Vehicle
September 8, 2006: Hour Two: Genes and Cancer / E. O. Wilson
September 15, 2006: Hour One: Intersex Fish and Water Quality / Tree Genome / Noise
September 15, 2006: Hour Two: Life Expectancy / School Lunches / Mars Rover Update
September 22, 2006: Hour One: Voting Technology / Laser Chip / Women in Science and Technology
September 22, 2006: Hour Two: Tracking Food Safety / Solar Energy
September 29, 2006: Hour One: Drugs and Diseases / Drug Safety
September 29, 2006: Hour Two: Steve Wozniak / EPA Library Closures