It's hard to imagine cavemen taking a great deal of pride in their teeth, but new research suggests our fussiness with oral hygiene has some pretty deep roots. Scientists studying one of Europe's oldest hominin fragments have discovered wooden fibers in the teeth of a 1.2 million year-old caveman. Their precise location suggests they are the remnants of habitual tooth-picking.
.. Continue Reading Were toothpicks served up at caveman dinner parties?Category: Science
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from New Atlas http://ift.tt/2i7UQTc
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