DNA, Cosmic Rock Guitar and the Ig Nobel Prizes

In this episode Mark Lewney uses rock guitar to explain the mysteries of the universe, festival-goers extract their own DNA, and find out what you get when you cross a sheep with a jet engine... We also peer inside the wacky world of the Ig Nobel Prizes, where research into woodpecker headache avoidance and a novel cure for hiccups makes people laugh, and then think.