In a darkened forest of northern Ecuador, a “long”-limbed creature perched on a bush and called out. Its “copper” eyes scanned the shadowy landscape, but it wasn’t the only one looking around. Passing ...

For over a century, copper has been the undisputed king of electrical conductivity. From power grids to the smallest ...

Women buried in a lavish grave 5,000 years ago wore beaded garments, suggesting they held positions of power. The beads could ...

Several dozen other coins, made of an alloy of gold, silver and copper, come from what is now Great Britain and were stamped ...