Dr. Laurie H. Glimcher, the Stephen and Suzanne Weiss Dean of Weill Cornell Medical College, speaks with Dr. Sheila Nirenberg, the Nanette Laitman Professor in Neurology and Neuroscience. Dr. Nirenberg was awarded a MacArthur Foundation grant last year for her work in optogenetics. She has cracked the neural code for blindness and is currently working on a prosthetic device that could restore vision.