In 2008, Wiliam Nelson found an ancient American Indian stone tool at the base of a tree near Mount Vernon in Knox County. People have lived in Ohio for more than 13,000 years, making and using stone ...
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 ...
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