In this episode, Scientific American editor-in-chief John Rennie talks about the magazine's history of involvement with efforts to debunk medical quakery and paranormal fakery, which included a fistfight between a Sci Am editor and Harry Houdini. And we'll hear an 1883 Sci Am editorial on the relative merits of the telephone and telegraph. Plus we'll test your knowledge of some recent science in the news. Websites mentioned on this episode include: gutenberg.org; ssrn.com/abstract=970413