What if cancer could be diagnosed by just smelling it? Dr. William Hanson, author of “The Edge of Medicine,” explains how an electronic nose can do just that. Hanson, Director of Surgical Intensive Care at University of Pennsylvania Medical Center, offers intimate true-life accounts illustrating the cutting edge of biotechnology-including computer health wizards which will advise and prescribe on home computers, wheelchairs operated by reading electrical brain waves, and the future of surgical robotics.Tickets are $5. To register, click here.