Where did we come from? Are we alone? Explore these questions with guest host Bill Nye the Science Guy, co-host Eugene Mirman and their guests comedian Dave Foley and SETI Institute Sr. Astronomer Seth Shostak. (Warning: Since this show was recorded live before an adult audience in San Francisco, be prepared for some suggestive language and humor.) Read more and listen to the full track: http://www.startalkradio.net/show/startalk-live-sf-sketchfest/