Dr. Rajiv Ratan '81, the Burke Professor of Neurology and Neuroscience at Weill Medical College of Cornell, will present a talk entitled "Twists and Turns (Non-Helical) on the Transcriptional Road to Cell Death: Implications for Brain Protection and Repair." The lecture will be held on Sept. 27 in Merrill Science Lecture Room 4 at 4:30 p.m. Refreshments will be served at 4:15 p.m. The lecture is open to the public.