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.
'A skilful, moving, even humorous book. It is more than an elegy for a lost mother or the charting of one human being's decline ... It is an investigation of memory, which concludes that "Memory, I have come to understand, is everything, it's life itself"' Scotland on Sunday
