From atoms to AI and from gravity to genes, how science shapes our world.

Why do ideas matter? -- The scientific method -- Everything is made of atoms -- Elements can be ordered -- Everything revolves around the sun -- What goes up must come down -- The universe is expanding -- Life can be ordered -- Species change over time -- Bacteria cause infectious disease -- It's all in the genes -- Energy cannot be created or destroyed -- Charged particles create electricity -- Fossil fuels will run out -- Machines can solve problems -- Information in valuable -- Machines can learn -- Future big ideas -- More big thinkers you should know about.