Book excerpt: Why is your elbow called your funny bone? How could you escape the grip of a crocodile's jaw? Which animal can breathe through its bottom? And how do these things all link together? This brilliant book will have eyebrows raised and jaws dropping as it uncovers the amazing scientific explanations behind all sorts of questions that can pop into our heads. Can an egg bounce? How can a giraffe's ridiculously long neck contain the same number of bones as a human's? How much does the Internet weigh? Written by science superstar and STEM Ambassador Dr Emily Grossman, this book will answer all science questions you may or may not have wondered about. Each section in the book is linked to the one before it, creating a fantastically interactive structure, where a question answered brings up new curiosities and surprises. This is the perfect book for children who love learning about science or who need an extra nudge when it comes to STEM subjects. After all, who wouldn't want to find out how a hippo can use its own sweat as sunscreen?! This book has been shortlisted for the Teach Primary Book Awards 2020.