56. Barium: Glow-Getter

Many episodes have incorporated geology, but this one is more about geography. (And amateur nuclear science.)

Element 94 causes a bit of a crisis for our collections.

To the person who said, "the episodes are never too long," I'm terribly sorry.

♪ O chemistry, o chemistry, the study of all matter ♫

America's worst radioactive accident isn't Three Mile Island, and the Nazi nuclear physicist wasn't assassinated by the famous baseball player.