Can Mars One succeed? Neil Tyson gets a mission briefing from CEO Bas Lansdorp. In studio, Mike Massimino and Eugene Mirman are skeptical, candidate Ryan MacDonald calls in, and Bill Nye explains why he wants to send real astronauts.
Find out what it’s like to be an astronaut in the age of social media when Neil deGrasse Tyson interviews Chris Hadfield. Eugene Mirman co-hosts, Astro Mike Massimino is back, and Bill Nye extols the human exploration of space.
Neil deGrasse Tyson explores the ins and outs of the human heart with cardiac surgeon Dr. Daryl Hoffman. Learn about open-heart surgery, artificial valves, hearts in space, graverobbers Burke and Hare and so much more.