It’s odd to hear Pete Smith delivering a more straight narrative, but he does it quite authoritatively as we see a few historical scenarios that illustrate just how the accidental discovery of an element that glowed in the dark led Marie Curie to discover this highly toxic element that was amongst the rarest on earth. It needed a mammoth degree of refining from it’s source ore to yield the tiniest amount of it’s salt but this process revealed, somewhat miraculously, that despite it’s lethal qualities it also had remarkable curative powers, too! It’s quite a revelatory short feature this that de...