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The toothpick is almost 2 million years old, study finds

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LOS ANGELES — Say what you will about early Pleistocene man, he sure liked to keep his teeth clean — or at least as clean as he could get them with a toothpick.

In a study published recently in the journal PNAS, authors presented new evidence of “habitual use” of toothpicks by early man 1.8 million years ago.

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