A recent study of human fossils from the Sterkfontein Caves in South Africa reignited debates about the origin of humans. The caves are home to Mrs. Ples’ skeleton, as they nicknamed the fossils of a cave woman found. Her fossils date back to between 3.4 to 3.6 million years ago. “But it’s hard to get a good date on them,” said Darryl Granger, a professor at Purdue University who specializes in dating geologic deposits, said in a statement. “…these fossils are old — much older than we originally thought.” With the findings, scientists now say that hominins existed in South Africa the same period that the known oldest remains in East Africa date to. In 1974, the skeleton of a woman named Lucy found in Ethiopia dates back to 3.2 million years ago. With the recent dating of Mrs. Ples’ skeleton, the theory that humans originated from East Africa is under contention. For a long time, archeologists have held the view that the earliest hominins existed in East Africa, but now that is
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