Retracing walrus ivory trade of Viking Age reveals early interactions between Europeans and Indigenous North Americans https://phys.org/news/2024-09-retracing-walrus-ivory-viking-age.html

By examining ancient walrus DNA, an international research team led by Lund University in Sweden have retraced the walrus ivory trade routes of the Viking Age. They found that Norse Vikings and Arctic Indigenous peoples were probably meeting and trading ivory in remote parts of High Arctic Greenland, several centuries before Christopher Columbus "discovered" North America.

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