A team of biologists drops off a cliff to learn more about one rare plant, but ends up discovering something completely unexpected with the help of science Twitter. Featured guests: Dr. Scott Schuette, Pennsylvania Natural Heritage Program, and Dr. Jason Cantley, San Francisco State University. Location: Shikellamy Bluffs, Susequehanna River, Pennsylvania, USA. This episode co-produced by Chris Martine, Paul Frederick, Tim Kramer, and Lance Schwartz.