We start with a preview of the “ March For Science, ” scheduled for April 14 in Park City, from Josh Hobson, the event’s organizer. Then we hear from Carl Hoffman, who writes about The Last Wild Men of Borneo: A True Story of Death and Treasure . Finally, John and Lynn speak with Sang-Hee Lee, South Korea's first paleoanthropologist and a professor at the University of California, Riverside, who investigates our evolving species in her new book, Close Encounters with Humankind.