Most people take the
importance of metal for granted. The spoon you eat your morning
cereal with, the car your drive to work, the wedding band around your
finger and even that smartphone you fiddle with all day all use
metals in one way or another. In fact, metals are so important your
health depends on them— lack of iron causes anemia, insufficient
zinc weakens the immune system, and inadequate copper can trigger
seizures.
Perhaps due to their
ubiquity, people forget that metals, like all natural resources, are
finite. According to projections,...
