How the Turtle Got its Shell - Naked Scientists NewsFLASH - 13.07.09

On this weeks Newsflash we hear how the development of salt-tolerant GM crops could help to feed the world and how branching blood vessels could stop you getting the best from statins. Also how the turtle got it's shell and Darwin meets hip hop in the rap guide to evolution. Plus we look back to 1867 and the first explosive demonstration of dynamite...