Copper’s soaring price points to recovery, green-economy demand

May 10, 2021
Copper, especially, is a key ingredient in electric cars, wind turbines and batteries. Suppliers are not ready to meet the demand.
A new copper mine can take five to 10 years to come online. Above, copper rods used in machine parts.
Scott Olson/Getty Images

There are hidden treasures in our sewage sludge

Apr 8, 2016
Millions of dollars worth of valuable metals end up being flushed down the drain, some coming from our own bodies.
Gold bars.
Wikipedia

An old-school U.S. company lets its sexy side shine

Oct 8, 2015
Industrial giant Alcoa splits in two to grow high-tech aerospace and auto business.
A worker walks among rolls of semi-finished aluminum at the Alcoa aluminum factory in Székesfehérvár, Hungary.
Sean Gallup/Getty Images

Mercury: "The quixotic bad boy of the periodic table"

Dec 26, 2013
Our journey through the economics of elements checks out mercury.