Fuller found it in nature. It appeared in the shapes of organic compounds and metals.

VOA: special.2010.05.30

Rare earths include the fifteen lanthanide metals along with yttrium and scandium.

VOA: special.2010.10.08

Soil naturally contains harmless amounts of lead, along with other metals.

VOA: special.2009.06.09

The material was a mixture of the metals nickel and chromium.

VOA: special.2010.07.07

the ax has enlarged the borders of our settlements, and the mines, as well of iron and coal as of the precious metals, have yielded even more abundantly than heretofore.

VOA: special.2009.11.23

Heavy metals,such as lead,and products like insecticides have recently been linked to abormalities in newborns and attention deficits in toddlers.

VOA: standard.2010.08.09

They allege that the company's drilling polluted their water with chemicals,metals and methane, the main constituent of natural gas, causing explosions as well as gastrointestinal and neurological illness.

VOA: standard.2010.01.02

Customers are looking at other precious metals, like platinum.

VOA: standard.2009.10.17