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Most prior research has been typically useful primarily for identifying animal remains; it's more challenging to identify the kinds of plants ancient peoples might have consumed. The authors of this latest paper combined several analytical techniques to study the residues of 58 pottery pieces dating between the 6th and 3rd millennium BCE. And they, too, conducted their own experiments, cooking various combinations of the ingredients in ceramic vessels over an open fire.
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Фото: Majid Asgaripour / WANA / Reuters