Nature or Nuture? Guest: Zach Hambrick, Professor, Psychology, Michigan State University, and editor, "Journal of Expertise" Expertise is born of a combination of genetic ability and hard work. Nuke the Moon Guest: Vince Houghton, historian and curator, International Spy Museum, Washington, DC.  The United States has historically never been short on innovation, though some inventive espionage ideas have bordered on the absurd. Ever hear about the time that we nuked the moon? Need we say more?  Cook, Taste, Learn Guest: Guy Crosby, Adjunct Associate Professor, Nutrition, Harvard T. H. Chan School of Public Health, and author, "Cook, Taste, Learn: How the Evolution of Science Transformed the Art of Cooking" We're going to sparse out myth from reality in the kitchen. Harvard's Guy Crosby, "the cooking science guy" explains the science behind producing a tender pork chop or a juicy roast. He's the author of "Cook, Taste, Learn" and we'll learn from him how great chefs use science to improve taste and flavor.  Fighting Fire with Fire in Australia Guest: Rodney Keenan, Professor, Forest and Ecosystem Science, The University of Melbourne, Australia Australia is burning, and the solution may be to fight fire with fire. Aboriginal Australians had for centuries managed the forests by burning undergrowth in a mosaic pattern. Also, eucalyptus presents unique challenges. Did you know there are 700 species of eucalyptus in Australia?