Was it a stone tool or just a rock? An archaeologist explains how scientists can tell the difference
Add Yahoo as a preferred source to see more of our stories on Google. Stone tools are deliberately made by the hands of hominins, like these worked on by the author. John K. Murray Have you ever found ...
The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...
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