Join physicist Dr. Derek Muller to unlock the mysteries of uranium, one of the Earth's most controversial elements. Uranium has brought hope, progress and destruction; revolutionized society, from medicine to warfare; and profoundly shaped the past.

See how America developed the most destructive invention in human history - the nuclear bomb - how it changed the world and how it continues to loom large in our lives. Hear from historians and those who experienced the dawn of the atomic age.