The mind-bending quiz book that every science geek needs in their Christmas stocking. Why do your fingers go wrinkly in the bath? How long can a goldfish remember things? Who thought up Newton's First Law? Science is all about finding answers to mind-boggling questions - so following the hugely successful How Many Moons Does the Earth Have?, here are another 100 brain-teasers to test yourself, discover some amazing answers, and learn a lot of stuff along the way. Where does brown belong in the spectrum? What is a Zener card? And what colour is the sun? With Brian Clegg, science has never been so much fun ... AUTHOR: Science writer Brian Clegg studied physics at Cambridge and specialises in making the strangest aspects of the universe accessible to the general reader. He is editor of popularscience.co.uk and a Fellow of the Royal Society of Arts. His previous books include Inflight Science, The Universe Inside You and Science for Life.