Researchers reveal how prehistoric Native Americans of Cahokia made copper artifacts
EVANSTON, Ill. — Northwestern University researchers ditched many of their high-tech tools and turned to large stones, fire and some
Read moreEVANSTON, Ill. — Northwestern University researchers ditched many of their high-tech tools and turned to large stones, fire and some
Read moreMetals found in lake mud in the central Peruvian Andes have revealed the first evidence for pre-Colonial metalsmithing there.
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