Stories of turning flesh to stone — and vice versa — are common in mythology. With calcium, we see how those same transitions can happen in the real world.
There’s no avoiding discussing the banana in this episode, even though it really doesn’t deserve its strong association with Element 19.
Today’s element gets called “lazy,” but that’s actually a terrible misnomer.
Chlorine is an element that causes some extreme reactions, and occasionally inspires some pretty extreme reactions in humans, too.