Best known as the host of Emmy Award-winning show Bill Nye the Science Guy, and current host of the Netflix show *Bill Nye Saves the World, *he has been the public face of science and discovery for more than twenty years. In this nerdy and uproarious conversation, the author and CEO of the Planetary Society talks everything from his love of NASA to current science headlines including Crispr, life on Mars, climate change, and LightSales.