Unravel the mysteries of the universe with the help of a team of experts from Focus, the UK's leading science magazine.This informative and highly readable book is packed with questions and answers to all those things people wonder about, but don't know where to find an answer. Why do clocks go clockwise? What is the most common parasite in the world? How far can a sneeze travel? Answers to these questions and hundreds of others are provided in this densely packed popular reference book.