Neil deGrasse Tyson Reveals the "Seeds of the Unraveling of Our Informed Democracy" – Neil deGrasse Tyson, the astrophysicist and director of the Hayden Planetarium at the American Museum of Natural History, can turn any conversation toward science. That's the premise of his show Star Talk (the season finale runs on National Geographic Channel tonight), where he invites non-scientist celebrities - from Bill Maher to Whoopi Goldberg - on to talk about how science rules their world.

ScienceEmily J Gertz