What does this mean? First, grooves that resemble "toothpick" marks don't necessarily prove tool use. Natural chewing, abrasive foods, or even swallowed grit can produce similar patterns. In some ...
If you've ever successfully dislodged a stubborn blackberry seed with a toothpick, you already have a healthy respect for these mighty sticks. Prepare to become an even bigger fan with these clever ...
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