Discover Da Vinci's workshop full of flying machines, theatrical contraptions and submarines. Take a splash with the frenzied fish that are migrating across our warming ocean. But where does the Pope fit into all this? Find out this week on Diffusion. Presented by Ed Pollitt and Emily Fearn News by Patrick Rubie Climate Fried Seafood by Darren Osborne Da Vinci's Inventions by Chris Stewart Produced by Celine Steinfeld