Guest:  Dr. Jose Lopez:  Topic:  We discussed the paper by Dr. Lopez and his associates, "Inevitable future: space colonization  beyond Earth with microbes first."  You can get this paper via my blog comment for this show that has a link for downloading it. I suggest you also read the Gizmodo article about the paper and the work being done in this area by Dr. Lopez and his associates.  The Gizmodo link is part of the same blog comment with the link to the Dr. Lopez paper.