How to Hide an Empire, First Sound, GMO Cows, Elephants and Bees

World's First Recorded Sounds Guest: Patrick Feaster, Co-Founder, First Sounds Initiative; Media Preservation Specialist, Media Digitization and Preservation Initiative, Indiana University Until 2008, Thomas Edison was considered the father of recorded sound. That year, an incredible discovery in the vaults of Paris returned credit to Edouard-Leon Scott de Martinville, a 19th-century Frenchman who had dedicated his life to this very pursuit. How sound recording change our view of the world.  A History of the Greater United States Guest: Daniel Immerwahr, Associate Professor, History, Northwestern University, and author, "How to Hide an Empire: A History of the Greater United States" Generally when Americans think of their borders, a familiar shape comes to mind—the one beginning with California and ending with Florida. But what about Guam and Puerto Rico? How about the Philippines during WWII? US influence reaches far beyond the borders of its 50 states. Daniel Immerwahr of Northwestern University explains why we might want to this of ourselves as "the greater United States." CRISPR Cows Guest: Alison Van Eenennaam, Extension Specialist, Animal Biotechnology and Genomics, University of California, Davis Gene editing used to be the stuff of science fiction, but recently, animal scientists have figured out how to engineer animals for human benefit.  Should they? Honeybees Protect African Villages from Humans Guest: Lucy King, Head, Human-Elephant Co-Existence Program, Save the Elephants, and Research Affiliate, University of Oxford Although the poaching industry has declined in recent years, elephant-human conflict is on the rise in both Africa and Asia. Foraging for food, elephants often battle against farmers trying to preserve their crop. Lucy King of Save the Elephants weighs in on how honey bees may be a natural and potentially life-saving solution.