Nicholas Christakis, MD, PhD, Sol Goldman Family Professor of Social & Natural Science and Professor of Internal Medicine/General Medicine, gives a lecture entitled, "Why Humans Have Friends: The Evolutionary Biology of Lifelong Social Interactions," during the Yale Claude D. Pepper Symposium...

Stephen Strittmatter, MD, PhD, Vincent Coates Professor of Neurology and Professor of Neurobiology and Director, Cellular Neuroscience, Neurodegeneration and Repair, gives a lecture entitled, "Lost in Thought: Basis for Brain Malfunction in Alzheimer's Disease," during the Yale Claude D. Pepper...