A 4 million-year-old human ancestor is unearthed in Ethiopia
Even on its tiptoes, the little creature stood hardly more than 4½ ft. tall. Its brain was no larger than a chimpanzee's. But unlike its apish kin, it had a clearly human characteristic. It could walk upright, probably as well as modern man. Its arms gathered food, warded off foes and perhaps even made primitive tools. Yet the most remarkable thing about this tiny ape-man is its age. It lived some 4 million years ago, in what is now a forbidding corner of Africa called the...
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