What makes something funny? What's in empty space if it's not empty? And what came first: the chicken or the egg?

These are some of life’s biggest questions, and you are a daring thinker for even thinking about them!

So open your mind and prepare to explore some of the biggest, boldest ideas about animals, the natural world and technology – from the ridiculously silly to the strikingly serious. Each question in Really Big Questions for Daring Thinkers: Science will unlock new ways of thinking and may lead you to some intriguing answers. If you’re daring enough to take on this mind-expanding challenge, then read on!

Written by science communicator Holly Cave, the easy-to-understand text, intriguing mind-teasers, and incredible thought experiments make this philosophic journey unforgettably fun!

Holly Cave has a BSc in Biology and a MSc in Science Communication from Imperial College, London. She spent four years at the Science Museum, researching, writing, and managing exhibitions and events for children, families and adult audiences on a wide range of contemporary science topics. Holly is now a freelance writer, editor and consultant.

Marc Aspinall is an exciting illustrator who has created artworks for Orange, Time Out, Waitrose Kitchen, Easy Jet Traveller, Condé Nast Traveller and Wired Magazine. For Kingfisher, he has illustrated Really Really Big Questions about Me and Wow! Surprising Facts about Animals.