Stone tools found in Israel are at least 1.9 million years old, showing humans left Africa earlier than scientists once believed.
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Homo erectus wasn't the first human species to leave Africa 1.8 million years ago, fossils suggest
Early, ancestral members of the human lineage may have left Africa earlier than widely thought, a new study of fossil teeth suggests. Modern humans, Homo sapiens, are the only living member of the ...
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