Mayara da Silva Santos, doctoral candidate at the University of Freiburg’s Institute of Physics, has discovered a new oxidation state of rhodium. This chemical element is one of the most catalytically ...

When it comes to precious metals, gold is the undisputed classic—valued for centuries as a store of wealth and a symbol of status. However, rhodium, a lesser-known member of the platinum group metals, ...

Gold is a long-term store of value. Silver is its rather more capricious little sister. But what about the other precious metals? The platinum-group metals have attracted increasing amounts of ...

On Christmas Eve in 1800, English scientist William Hyde Wollaston a piece of nearly pure platinum ore, secretly purchased and smuggled from the Spanish colony of Nueva Granada (Colombia, today) for ...