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Was it a stone tool or just a rock? An archaeologist explains how scientists can tell the difference
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 under your breath, "How do they know it's not just any old ...
Was it a stone tool or just a rock? An archaeologist explains how scientists can tell the difference
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) John K. Murray, Arizona State University (THE CONVERSATION) Have you ever found ...
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