Stefan Heller is trying to create inexpensive ear drops that can cure deafness. In this short talk, Heller describes how his team of researchers at Stanford University is transplanting stem cells into the ear to fix damaged hearing. (October 11, 2008)

Stanford University's Brian Knutson is unraveling the mysteries of human desire with state-of-the-art medical imaging. Knutson's research sheds new light on how individuals make complex financial. (October 11, 2008)

Karl Deisseroth is pioneering bold new treatments for depression and other psychiatric diseases. By sending pulses of light into the brain, Deisseroth can control neural activity with remarkable precision. (October 11, 2008)