Does My Goldfish Know Who I Am?

Brian Cox explores the edge of the universe, Sir David Attenborough tells us whether monkeys could ever turn into men, and Miranda Hart ponders why it's funny when someone farts. Other contributors include Bear Grylls, Sir Paul McCartney, Kate Humble, Sir Quentin Blake, Bettany Hughes, Heston Blumenthal, Alice Roberts, John Lanchester, A.