What makes something funny? What is in the 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're a bold thinker just for considering them! So, open your mind and get ready to explore some of the biggest and boldest ideas about animals, the natural world, and technology – from the utterly ridiculous to the impressively serious. Each question in Really Big Questions for Daring Thinkers: Science will unlock new ways of thinking and might lead you to some interesting answers. If you are daring enough to take on this mind-expanding challenge, then keep reading! Written by science communicator Holly Cave, the easy-to-understand text, intriguing challenges, and incredible thought experiments make this philosophical journey memorably fun!