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ancient tool use

Science Unmasked
‘Toothpick Grooves’ in Ancient Fossil Human Teeth May Not Be From Toothpicks After All

by Troy Oakes October 4, 2025

by Troy Oakes October 4, 2025

For decades, small grooves on ancient human teeth were thought to be evidence of deliberate tool use — …

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ancient tool use

‘Toothpick Grooves’ in Ancient Fossil Human Teeth May Not Be From Toothpicks After All

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