The Dorset knew how to make yarn before Vikings came

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New research is upending old assumptions about what the ancestors of today's Inuit learned from Viking settlers.

Techniques researchers have developed show that ancient Dorset and Thule people knew how to spin yarn centuries before the Norse were thought to have taught them, changing the way archeologists think about Arctic history.

http://www.cbc.ca/news/canada/newfoundland-labrador/vikings-yarn-inuit-research-1.4757237