
Season 20, episode 95
Neil deGrasse Tyson
Fracking causes earthquakes in Oklahoma, the NSA debuts a creepy recycling mascot, John Hodgman makes a dramatic exit, and Neil deGrasse Tyson discusses “StarTalk.”

Season 20, episode 95
Fracking causes earthquakes in Oklahoma, the NSA debuts a creepy recycling mascot, John Hodgman makes a dramatic exit, and Neil deGrasse Tyson discusses “StarTalk.”