Rare Earths: Valuable and in Short Supply

[fcolon]

Rare earths are not particularly rare, but the places where they occur have many people worried about a continual supply to keep our electronics running. Read more...

Rare earth oxides (clockwise from top center):
praseodymium,cerium, lanthanum, neodymium, samarium, and gadolinium.

[mvillegas]

We just have underestimated their importance. They are rare but they are everywhere.