DNA, Radio Waves and Watches

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...

15 February 2008

Presented by Chris Smith, Dave Ansell.

DNA_orbit_animated_small.gif

Animation of the structure of a section of DNA. The bases lie horizontally between the two spiraling strands.

Credit:

GNU1.2 - Zephyris @ Wikipedia

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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.