What was a bronze buckle from East Asia doing in 11th century Alaska?

Archaeologists have discovered a bronze artifact in ancient Eskimo settlement...which is pretty surprising, considering ancient Alaska never actually went through the Bronze Age. This artifact was likely cast long ago in Asia before making its long, mysterious journey Northward. » 11/14/11 4:30pm 11/14/11 4:30pm

A brief history of the ancient science of sword making

The sword is the perennial symbol of empires, knighthood, chivalry and fantasy. But it's also one of the world's most ancient technologies, connected with breakthroughs in metallurgy that would change the world. There are even some types of ancient swords so strong that modern science still can't determine how they… » 8/17/11 9:07am 8/17/11 9:07am