August 3, 2001, Hour One: Paleontology and Anthropology Update August 3, 2001, Hour Two: Salt-water Tomato / Voice Technology August 10, 2001, Hour One: The Stem Cell Decision August 10, 2001, Hour Two: Early Universe / Astrobiology Update August 17, 2001, Hour One: Stem Cell Update / History and Science of Fingerprints August 17, 2001, Hour Two: Twins August 24, 2001, Hour One: Astronomy and Astrophysics Update August 24, 2001, Hour Two: Genome Update / Crazy Ideas in Science August 31, 2001, Hour One: Longevity and Aging August 31, 2001, Hour Two: Asteroid Defense