The results: The team found traces of wild grasses and legumes, fruits or berries, green vegetables, and roots and tubers native to the broader region. Shards recovered from sites in the Don River basin showed these people used the seeds of wild legumes (possibly clover) and grasses, as well as showing some evidence of bran and barley. By contrast, shards from the Upper Volga and Dnieper-Dvina region contained more traces of guelder rose berries and other fleshy fruits and smaller-seeded Amaranthaceae plants. Shards from the Baltic region showed higher traces of freshwater fish, with some regions also including berries, sea beetroot, flowering rush, beets, and sea club-rush tubers. There were also traces of dairy products in shards from a site in Denmark, likely obtained from nearby farming communities.…