DNA, Radio Waves and Watches

15 February 2008
Presented by Chris Smith, Dave Ansell.

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This week on Ask the Naked Scientists we find out why a slipped disc can't slip out, why you forget your dreams and why digital radio is behind the times - by about 4 seconds! Also, why present day physics forbids travel to the past, and how you can carry someone elses DNA without being pregnant. We tackle these questions and more on this weeks podcast.

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