Cobalt

Cobalt is a transition metal.

Some of the cobalt used in phone and laptop batteries is dug out by hand in Congo.

With their fur coats tinged full of glistening silver and their shadows imbued with cobalt, the two foxes returned back to the forest under the moonlit night.

The DRC exports cobalt.

Cobalt is a valuable mineral.

Global cobalt prices have tripled since May 2003 and they now stand at a record $55,100 per tonne.

Cobalt, which forms the core of Vitamin B12, is only created in supernovae and neutron star mergers.

It's made of cobalt and nickel.

And although we’ve certainly seen a variety of blue shades — from periwinkle to cobalt and even Dean Cain’s indigo-washed costume from the 1990’s TV show “Lois & Clark” — Superman’s uniform is still instantly recognizable across generations. In fact, there is only one film — Zack Snyder’s 2013 “Man of Steel” — in which Superman does not wear his iconic red belted trunks.