From ancient coins to modern markets, gold has shaped money and value for centuries. Here's why, among all the elements, it has remained the world's store of value.

Certain elements (gold, silver) haven't gone out of fashion in millennia and probably never will. Others seem unlikely ever to win popularity with the public (hello, praseodymium). Still other ...

The periodic table of chemical elements hangs in front of chemistry classrooms worldwide and is an icon for science. Yet much was unknown about its history -- until now. The periodic table reflects ...