Carl Sagan: American Hero

Carl Sagan was the world's first mainstream media super scientist, capapble of breaking down complex ideas for the common folk. But what made him tick? Billions and billions of great ideas.


Topics in this Podcast: 1970s, physics, space, Chuck, howstuffworks, josh, astronomy, scientists, Einstein, science, Carl Sagan, tv, SYSK, Stuff You Should Know, media