(University of Utah) Researchers have discovered potato starch residues in the crevices of a 10,900-year-old stone tool in Escalante, Utah -- the earliest evidence of wild potato use in North America. This is the first archaeological study to identify Solanum jamesii, a wild species native to the southwestern United States, as an important part of ancient human diets. The long history could mean that the species was transported, cultivated or even domesticated.
from EurekAlert! - Archaeology http://ift.tt/2sjwkRz
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