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From a very old skeleton, new insights on ancient migrations
In Mota cave, located in the Gamo highlands of Ethiopia, a group of NSF-supported researchers excavation a rock cairn. They discovered under it a burial site containing the remains of a 4,500-year skeleton.
Credit: Kathryn and John Arthur
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(left-to-right) NSF-supported researchers John Arthur and Kathryn Arthur of the University of South Florida St. Petersburg and Matthew Curtis of Ventura College and UCLA Extension found an ancient skeleton and stone-flake tools at the Mota cave. Geneticists' analysis of the skeleton resulted in the first ancient human genome sequence from Africa.
Credit: Kathryn and John Arthur
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John Arthur, an NSF-supported archaeologist at the University of South Florida St. Petersburg, excavates the Mota cave site.
Credit: Kathryn and John Arthur
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The Mota cave is located in a mountainous region, and its entrance is about 6,000 feet above sea level. Weather and the changing conditions of the only road that runs near the cave -- a gravel surface -- made access complicated for the research team.
Credit: Kathryn and John Arthur
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