Science Talk

In this episode, astrophysicist Eugene Parker talks about his Scientific American article on the threat that cosmic rays pose to astronauts; geneticist Dave Coltman discusses testing the DNA of an alleged sasquatch; and geochemist Don Siegel discusses how he became the author of a Chinese cookbook. Also: test your science smarts with our quiz. Learn more about your ad choices. Visit megaphone.fm/adchoices

In this episode, Scientific American senior writer Wayt Gibbs talks about what he learned at a major computer security conference, the RSA Conference 2006; physicist Mark Shegelski reveals some of the science secrets about the Olympic sport of curling; and frequent Scientific American contributor JR Minkel discusses a number of stories he picked up at the annual meeting of the American Association for the Advancement of Science. Also: test your knowledge with our science-in-the-news quiz Learn more about your ad choices. Visit megaphone.fm/adchoices

In this episode, Scientific American staff editor Christine Soares talks about avian flu; Bruce Mirken discusses marijuana policy in the U.S. and England; and paleontologist Gregory Erickson describes the newfound long-lost cousin of T. rex. Also: test your science smarts with our quiz and hear how yesterday's comics might have handled today's news. Learn more about your ad choices. Visit megaphone.fm/adchoices

In this episode, Scientific American editor-in-chief John Rennie reflects on the Korean stem cell debacle; the National Inventors Hall of Fame announces this year's inductees; and evolution defender Eugenie Scott discusses the importance of the decision in the recent Dover evolution trial. Also: hear outtakes from the CSI show you're never going to see on TV. Learn more about your ad choices. Visit megaphone.fm/adchoices