Dr. Pauly spoke as part of the Darwin 200 exhibition at the Linda Hall Library. He has a recent article titled, "Aquacalypse Now" in The New Republic. Dr. Pauly explained the context for the Beagle's voyage and Darwin's role on it. He briefly explained the navigational problem with longitude, and why the Beagle was surveying southern South America. Dr. Pauly, of course, talked about his work with fish ecology and Darwin's interest in fishes.