Is there nothing Eddie Izzard can't do? Tonight he's getting factual with the first of a two part journey of discovery. He's gathered together some top geneticists and scientists who have created a road map with his DNA. Using this as his guide, Eddie travels across the globe to track down his ancestors.It's essentially the lovechild of Who Do You Think You Are and science. First up, Eddie finds himself in Southern Africa as he attempts to trace his mother's line. It's a subject that's close to his heart, as she passed away when he was just six years old.