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By thinking different, scientists can make extraordinary breakthroughs. Learn about the creative cogitation that led to the discovery of dark matter and the invention of a.c. power grids, disinfectant, and the Greek \u201cdeath ray.\u201d Also, whether one person\u2019s man of genius is another\u2019s mad scientist.\nAnd, the scientist who claims pi is wrong and biopunks who tinker with DNA \u2013 in their kitchens and on the cheap.\nPlus, from string theory to the greenhouse effect \u2013 how metaphor sheds light on science. Discover why your brain is like a rain forest (that\u2019s a simile!).\nGuests:\n\u2022\xa0\xa0Anil Ananthaswamy \u2013 Corresponding editor for New Scientist magazine in London and author of The Edge of Physics: A Journey to Earth\u2019s Extremes to Unlock the Secrets of the Universe\n\u2022\xa0\xa0Marcus Wohlsen \u2013 Reporter for the Associated Press, and author of Biopunk: DIY Scientists Hack the Software of Life\n\u2022\xa0\xa0John Monahan \u2013 Author of They Called Me Mad: Genius, Madness, and the Scientists Who Pushed the Outer Limits of Knowledge\n\u2022\xa0\xa0Michael Hartl \u2013 Physicist, creator of \u201cTau Day\u201d\n\u2022\xa0\xa0James Geary \u2013 Author of I Is an Other: The Secret Life of Metaphor and How It Shapes the Way We See the World\nLearn more about your ad choices. Visit megaphone.fm/adchoices