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b'You can\\u2019t see it, but it\\u2019s there, whether an atom, a gravity wave, or the bottom of the ocean \\u2026 but we have technology that allows us to detect what eludes our sight. When we do, whole worlds open up.\\nWithout telescopes, asteroids become visible only three seconds before they slam into the Earth. Find out how we track them long before that happens. Also, could pulsars help us detect the gravity waves that Einstein\\u2019s theory predicts?\\nPlus, why string theory and parallel universes may remain just interesting ideas \\u2026 the story of the woman who mapped the ocean floor \\u2026 and why the disappearance of honeybees may change what you eat.\\nGuests:\\n\\u2022\\xa0\\xa0David Morrison \\u2013 NASA space scientist and Director of the Carl Sagan Center at the SETI Institute\\n\\u2022\\xa0\\xa0May Berenbaum \\u2013 Entomologist, University of Illinois\\n\\u2022\\xa0\\xa0Scott Ransom \\u2013 Astronomer, National Radio Astronomy Observatory\\n\\u2022\\xa0\\xa0Lee Smolin \\u2013 Theoretical physicist, Perimeter Institute of Theoretical Physics, Canada, author of Time Reborn: From the Crisis in Physics to the Future of the Universe\\n\\u2022\\xa0\\xa0Hali Felt \\u2013 Author of Soundings: The Story of the Remarkable Woman Who Mapped the Ocean Floor\\n\\xa0\\nFirst released September 23, 2013.\\nLearn more about your ad choices. Visit megaphone.fm/adchoices'