Published on
15:11 GMT
Chew on this: The 10,000-year history of gum
Somewhere between 9,500 and 9,900 years ago, three Scandinavian teenagers were hanging out, chewing gum after a meal. Specifically, they were chewing pitch or tar made from the bark of birch trees. Many millennia removed, archaeologists analyzed the spit …
Source:
Popular Science
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