The loudest animal in the world and the darkest building on earth!

George chats to Will.I.Am and Brian Johnson all about the science of the future and their new book Wizards and Robots on this week's Science Weekly. 

Plus, Sir Sidney McSprocket is discovering what nanotechnology is and how it came about, Dangerous Dan tells us all about the loudest animal in the world, we're learning about the brain with Professor Hallux and there's a really dark building near the Winter Olympics!