Science

Where do nature's building blocks, called the elements, come from? They're the hidden ingredients of everything in our world, from the carbon in our bodies to the metals in our smartphones.

Legends say there's a world beneath this one where a dragon lies sleeping. They say be careful how you wake the dragon. The year 2015 marks the 70th anniversary of the most profound change in the history of human enterprise on Earth: the unleashing of the elemental force within uranium, the explosion of an atomic bomb, the unleashing of the dragon.