Ancient ‘chewing gum’ sheds light on stone age teenagers’ diet | Archaeology
DNA from a type of “chewing gum” used by Swedish teenagers 10,000 years ago sheds new light on Stone Age diet and oral health, according to a study. The gum blobs are made from fragments of birch bark pitch, a tar-like black resin with clearly visible tooth impressions. They were discovered 30 years ago next […]