The Big Bang. Natural selection. Quantum theory. Only a handful of truly great ideas have shaped human history.
Here, explore the ingenious theories, inventions and discoveries that did just that, as selected by the most brilliant scientists, engineers and entrepreneurs alive today. Experts including Brian. Cox, Richard Dawkins, Patrick Moore and Marcus du Sautoy explain their nomination for the 100 most important discoveries ever made - discoveries that have changed the world, and helped us understand the universe we live in.