Gallium: Gallium-67 is used in a gallium scan which is a nuclear medicine test, that's used to find infection or cancer in the body

Thallium: Thallium sulfate is used as a rodent or ant killer, and the salts also used to treat skin diseases.

Aluminum: About 75% of all aluminum ever made is still in use, due to recycling.

Boron: Is found in detergents, and in crystalline form is the second hardest element behind carbon. It's an essential element for plants to grow.

Important Uses and Fun Facts