July 1, 2005: Hour One: Biosecurity / Fusion Reactor / Chip History
July 1, 2005: Hour Two: Deep Impact / Shuttle Return to Flight
July 8, 2005: Hour One: Explosives and Forensics / Heart Stem Cells
July 8, 2005: Hour Two: Science's Big Questions / Deep Impact Update
July 15, 2005: Hour One: Shuttle Update / Parasite Genomes / Project Bioshield Update
July 15, 2005: Hour Two: Bioprospecting / Deep Sea Research
July 22, 2005: Hour One: Congress, Scientists and Climate Change / Mapping the Universe
July 22, 2005: Hour Two: Taste Buds / Bike Science
July 29, 2005: Hour One: Shuttle Update / Learning and Memory / Evolution and the Catholic Church
July 29, 2005: Hour Two: Weight Reduction Surgery