In this episode, Scientific American editor Mark Fischetti talks about an audacious new plan, featured in the January issue of Scientific American, for turning the US into a solar-powered country. And editor-in-chief John Rennie talks about a new Sci Am health publication, Scientific American Body. Plus we'll test your knowledge of some recent science in the news. Websites mentioned on this podcast include: www.sciam.com/sciambody; tinyurl.com/2vygvs; tinyurl.com/39spft; bccp.lbl.gov