In 1939, the last naturally occurring element on Earth, francium, was discovered. However, the periodic table of elements still wasn’t full. The next year, a non-natural element was discovered: Plutonium. This new unnatural element had fascinating properties which made it incredibly useful and incredibly dangerous. Learn more about plutonium, how it is made, and what it can do, on this episode of Everything Everywhere Daily.
Learn more about your ad choices. Visit megaphone.fm/adchoices