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We all want to turn back time. But until we build a time machine, we\u2019ll have to rely on a few creative approaches to capturing things as they were \u2013 and preserving them for posterity. One is upping memory storage capacity itself. Discover just how much of the past we can cram into our future archives, and whether going digital has made it all vulnerable to erasure.\nPlus \u2013 scratch it and tear it \u2013 then watch this eerily-smart material revert to its undamaged self. And, what was life like pre-digital technology? We can\u2019t remember, but one writer knows; he\u2019s living life circa 1993 (hint: no cell phone).\nAlso, using stem cells to save the white rhino and other endangered species. And, the arrow of time itself \u2013 could it possibly run backwards in another universe?\nGuests:\n\n\nMichael S. Malone \u2013 Professor of professional writing at Santa Clara University and the author of The Guardian of All Things: The Epic Story of Human Memory\n\n\n\nOliver Ryder \u2013 Director of genetics, San Diego Zoo Institute for Conservation Research\n\n\nMichael E. Smith \u2013 Chemist, Arkema, Inc\n\n\n\nSean Carroll \u2013 Theoretical physicist at the California Institute of Technology, author of The Particle at the End of the Universe: How the Hunt for the Higgs Boson Leads Us to the Edge of a New World\n\n\n\nPico Iyer \u2013 Writer, author of The Man Within My Head and the New York Times article, \u201cThe Joy of Quiet\u201d\n\n\nDescripci\xf3n en espa\xf1ol\nFirst released October 29, 2012.\nLearn more about your ad choices. Visit megaphone.fm/adchoices