The story of how the elements were discovered and mapped begins with the alchemists who questioned that the world was made up of earth, air, fire and water. Show more

Professor Jim Al-Khalili looks at how the early scientists' bid to decode the order of the elements was driven by false starts and bitter disputes. Show more

Jim Al-Khalili reveals the breakthroughs which harnessed elements' ability to release vast power, showing how scientists are trying to create new elements. Show more