Replica pipes used to experimentally

Researchers at Washington State University (WSU) have, through an examination of pipes from 1400 year-old archaeological sites, discovered that Native Americans in what is now Washington State weren't just smoking tobacco. The plant, a native to North America called smooth sumac (Rhus glabra), was likely consumed for medicinal qualities, but it's the method used to make the discovery that is really getting archaeologists excited.

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Category: Science

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