Cobalt: Rare and Everywhere
Cobalt used to be a byproduct of copper mining, used in everyday, boring stuff like tires and magnets.
But that all changed when someone discovered its ability to stabilize the lithium in batteries for electronics like cell phones.
Now it's become one of the most important and sought after metals on the periodic table. Which has implications for big tech firms like Apple.
Copyright 2021 NPR. To see more, visit https://www.npr.org.