Science Matters, a podcast from the Naked Scientists

Cambridge has a rich history of making discoveries about DNA - the genetic code inside each and every one of us. In the 1950s, Watson and Crick announced that they had unraveled the structure of DNA - the famous double-helix shape. Now, 60 years later, another Cambridge scientist  has made an important DNA discovery. This time about the way the genetic code changes or “mutates” to allow evolution to happen! Bill Amos began by explaining what a mutation was to Graihagh Jackson...

Read or listen to the podcast here:  http://www.thenakedscientists.com/HTML/interviews/interview/1001527/