Sodium is a useful chemical element. You consume it as table salt regularly. Learn about salt mining, sodium uses, and what problems too much sodium can cause.

The water in the oceans has travelled vast distances. It has even time spent deep below the surface of the Earth, trapped inside the mineral ringwoodite.

Crystals aren’t just rocks and minerals. Crystals have a well-organized molecular structure, just as important to a crystal as the molecules it contains.