Fly over to Mawrth Vallis, one of the oldest valleys on the planet Mars, where water once flowed.
A time capsule contained minerals that dated 815 million years ago, revealing Earth's ancient atmosphere.
You should go beyond diamonds to find some of the rarest minerals in the world. Scientists have inventoried and categorized all of Earth's rare mineral species described to date.
Bioactive glass may one day help reduce the ability of bacteria to attack composite tooth fillings. With future research, it may even been used to replace minerals lost from tooth decay.
