Eating meat may not have been as crucial to human evolution as we thought
The oldest evidence of Homo erectus comes from an arid hillside near the border of Ethiopia and Kenya. Though the 1.9-million-year-old fossil is only a tiny shard, more complete, if more recent individuals show that the species looked recognizably human. The species had long legs and short arms. Its face was flat, without a chimp-like snout. Behind that face was a hefty brain, bigger than that of any of its predecessors.
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