August 2, 2002, Hour One: Mammograms, Wildfires, Beached Whales
August 2, 2002, Hour Two: Emerging Illnesses
August 9, 2002, Hour One: Agriculture and Sustainability
August 9, 2002, Hour Two: Carl Safina / Mars Rock Redux
August 16, 2002, Hour One: Cloned Cows and Human Antibodies / Alzheimer's Update
August 16, 2002, Hour Two: Nursing Shortage
August 23, 2002, Hour One: News Wrapup: Anthrax and Phages / Oil's Origins / Voyager Anniversary
August 23, 2002, Hour Two: The Invention of Television
August 30, 2002, Hour One: Sustainability and Water / Xenotransplants
August 30, 2002, Hour Two: Robots and 'Mechanical Life'