Scientific American editor in chief, John Rennie, talks about the contents of the December issue, including bat evolution and how magicians are helping neuroscience. And Boro Dropulic of Lentigen talks about converting viruses into disease fighters. Plus, we'll test your knowledge about some recent science in the news. Web sites related to this episode include http://www.sciam.com/report.cfm?id=bat-guide; http://www.sciam.com/report.cfm?id=thanksgiving