![](http://www.cheapastro.com/wp-content/uploads/2012/11/andromeda-744x558-210x126.jpg)
156. How to colonize the galaxy
Broadcasting humanity.
Podcast: Play in new window | Download
Subscribe: RSS
Broadcasting humanity.
Podcast: Play in new window | Download
Subscribe: RSS
Occams razor says not
Podcast: Play in new window | Download
Subscribe: RSS