Raymond Lotta, revolutionary communist intellectual and political economist, on the situation in Libya, what underlies it, and its significance to the region and the world. See more at revcom.us.
PZ Myers, biologist and associate professor at the University of Minnesota, Morris, and author of the Science Blog Pharyngula. He talks about the origin of life on earth, whether bacteria have been discovered on meteorites, the creation of artificial life in the laboratory and other hot topics.