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Was it a stone tool or just a rock? An archaeologist explains how scientists can tell the differenceStone tools are rocks that have been selected for use or intentionally altered. This technology appeared around 3.3 million years ago and became essential to hominins—all the living and extinct ...
Have you ever found yourself in a museum’s gallery of human origins, staring at a glass case full of rocks labeled “stone ...
Was it a stone tool or just a rock? An archaeologist explains how scientists can tell the difference
John K. Murray, Arizona State University (THE CONVERSATION) Have you ever found yourself in a museum’s gallery of human origins, staring at a glass case full of rocks labeled “stone tools,” muttering ...
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