StarTalk Live! Satisfying our Curiosity about Mars (Part 1) | StarTalk Radio Show by Neil deGrasse Tyson

Science, pop culture & comedy collide on StarTalk w/ astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, comic co-hosts, celebrities & scientists.

http://www.startalkradio.net/show/startalk-live-satisfying-our-curiosity-about-mars-part-1/