Human ancestor fossils hidden in plain sight
Human Ancestor Fossils Hidden in Plain Sight in Lab Rock

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Two years ago, scientists announced they had discovered partial skeletons from a new species of human ancestor in a South African cave. Now, more remains have turned up — in a large rock about 3.3 feet (1 meter) in diameter hiding in plain sight in a laboratory at the University of Witwatersrand in South Africa. (July 12)

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