Why does a ball bounce? Why does a balloon burst? How can a stone move on its own? Television scientist and historian Adam Hart-Davis brings you the answers to 100 essential questions about life, the universe and everything, fully illustrated with his own superb colour photographs. A passionate scientist, Adam's aim is to make complex ideas as easy to understand as possible, and his photographs are stunning in their simplicity: from spiders' webs to water drops, from sparks from a plug to a match igniting - you can see science in action and close up.