Traces of bark, found in Spain’s El SidrĂ³n Cave, with fossilized plaque on them suggest that Neanderthals used them as toothpicks. The scientists said they were mostly after the fossilized plaque known as dental calculus. It’s the same stuff a hygienist will scrape off your teeth if you haven’t done a good job flossing and
Via: A Blog About History - History News
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