It's a big question--are whales and dolphins smarter than humans? Whales and dolphins are incredible, as are the cetologists who study them. Dive into this wonderful underwater adventure to explore how clever these fascinating creatures are! You'll learn . how whale poo is good news for us what great troubleshooters dolphins can be the clever way that sperm whales sleep . and so much more! The story of these serene marine mammals makes a special read for kids. They are important inhabitants of our oceans and the ecosystem within, and there is lots to discover. Beautifully bound with stunning illustrations, The Big Questions Answered is a unique, collectable series that will start a lifelong interest in science. QR codes link to the Big Questions Answered website for comprehensive, free teacher resources and downloadable fun extras for kids.