Unit One Physiology of Digestion Text A Pavlov's Dogs and Classical Conditioning Text B Pavlov's Award Ceremony Speech Unit Two Respiratory Enzymes Text A Dr. Otto H. Warburg—A Survivor of Ethical Storms Text B Otto H. Warburg's Award Ceremony Speech Unit Three Penicillin Text A The Discovery of Penicillin Text B Early Days of Penicillin Unit Four DNA Structure Text A The Discovery of the Molecular Structure of DNA — The Double Helix Text B Young Watson and X-ray Diffraction Unit Five Mobile Genes Text A Barbara McClintock and the Discovery of Jumping Genes Text B In Memoriam—Barbara McClintock Unit Six Organ and Cell Transplantation Text A Advancement in Organ and Cell Transplantation Text B Remembering Dr. Joseph E. Murray Unit Seven Magnetic Resonance Imaging Text A Paul C. Lauterbur and Sir Peter Mansfield for MRI Text B Interview with Sir Peter Mansfield: My Early Days Unit Eight Human Immunodeficiency Virus Text A A Conversation with Francoise Barr?-Sinoussi Text B Francoise Barr?-Sinoussi on the History and Future of HIV Research Unit Nine Telomere Effect Text Elizabeth H. Blackburn on the Telomere Effect: "It's About Keeping Healthier for Longer." Text B Elizabeth H. Blackburn: Discovering Telomeres Unit Ten Artemisinin Text A Nobel Laureate Tu Youyou, Malaria, and the Discovery of Artemisinin Text B Tu Youyou and Artemisinin: An Obscure Miracle Unit Eleven Autophagy Text A Discoveries on How Cells Eat Themselves Text B Yoshinori Ohsumi—How My Autophagy Research Began Unit Twelve Circadian Rhythm Text A Molecular Mechanisms that Controls the Circadian Rhythm Text B Interview with Michael Rosbash
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