Why do your fingers go wrinkly in the bath? What kind of animal can have 21 limbs? Who would really win a fight between a T.Rex and Godzilla? Test your knowledge of all things scientific with the biggest, brightest and most mind-bending quiz book this side of the Big Bang. Featuring 100 brain-melting Q&As, with enlightening explanations provided throughout, this is the ultimate examination of what you know about space, chemistry, quantum physics, science fiction and much more.