Memories are slippery things – some are crystal clear, others more like a muddy pool, and some… well, they seem to vanish completely.Scientists admit that memory is all very complicated, but one piece of the puzzle lies in how we age – we’ll hear the latest research.Meanwhile, meet the man who digitally logged his every waking moment - and why maybe the secret to happiness isn’t in remembering but in forgetting.Plus, the case for deleting data from your hard-drive… and from your brain itself.Guests:

Adam Gazzaley - Director of the Neuroscience Imaging Center at University of California, San Francisco

Gordon Bell - Principal researcher at Microsoft Research

Jim Gemmell - Senior researcher at Microsoft Research

James McGaugh - Neurobiologist at the University of California, Irvine

Viktor Mayer-Schönberger - Director of the Information and Innovation Policy Research Center at the National University of Singapore’s Lee Kuan Yew School of Public Policy, and the author of Delete: The Virtue of Forgetting in the Digital Age

Todd Sacktor - Neurologist, SUNY Downstate Medical Center

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