Have you ever wondered why yawns are so contagious? If there is life on other planets? If your eyeballs would pop out when sneezing with your eyes open? If so, this book is for you. Some answers are surprising. Some are amazing. Some will positively blow your mind. Part of the fascinating new series "Buster’s Actually-Factually Books," this is a collection that reveals the reality behind just a few of the myths that have been mixed up with truth over the years.