In this episode, Scientific American contributing editor Wayt Gibbs talks about a session at the recent meeting of the American Association for the Advancement of Science devoted to the question of scientific authority: who has it, how they got it and what the public should know about it. Plus we'll read listener mail, talk about the movie Something The Lord Made (which depicts the first heart surgeries) and test your knowledge about some recent science in the news. Websites mentioned on this episode include www.aaas.org; www.sciamdigital.com; www.sciam.com/news; www.hbo.com/films/stlm