WHY IS SCIENCE SO IMPORTANT? It saves lives, connects us with our natural world, and helps us build a brighter future. The Big Questions Answered series explores the many fields of science, making the stories behind great discoveries accessible and engaging for inquisitive young minds. Dive into the extraordinary world of palaeontology to discover... IS THIS THE BIGGEST DINOSAUR EVER? Hundreds of different dinosaurs used to roam the Earth, their long necks towering over treetops, huge feet shaking the ground, and strong tails swinging in battle, but which was the biggest of all? This gigantic discovery started with just one fossilised bone?