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Native copper nugget from glacial drift, Ontonagon County, Michigan. An example of the raw material worked by the people of the Old Copper Complex.

A Metal of Power and Prestige: The Ancient Copper Industry of North America

There are several criteria archaeologists look for in the quest to determine the level of cultural advancement of ancient peoples. Obviously, one of these criteria is technological advancement,...
Indian archaeologists are excavating several Iron Age sites of ancient burial grounds in the vicinity of Hyderabad. This is one of the world's largest dolmens, in Andhra Pradesh

Discovery of Ancient Indian Daggers may push back Start of Iron Age by Hundreds of Years

Indian archaeologists say recent dagger discoveries at ancient sites in Hyderabad have pushed the Iron Age in India back to at least 2200 BC—around 1,000 years before the rest of the world. Indian...