May 6, 2005: Hour One: New Dino Find / Energy Efficiency
May 6, 2005: Hour Two: Woodpecker Rediscovery / Feynman / Alan Lightman
May 13, 2005: Hour One: Self-Replicating Robots / Science of Sexual Abuse
May 13, 2005: Hour Two: Stem Cell Spinal Cord Treatment / Science and Technology in the UK
May 20, 2005: Hour One: Science and Globalization: Poverty, Hunger, Health
May 20, 2005: Hour Two: Diet and Health
May 27, 2005: Hour One: Stem Cell Policy and Research Update / Leon Kass and the President's Council on Bioethics
May 27, 2005: Hour Two: Vaccines Update