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Researchers may have found the
in history when human beings
spoke. An expert in prehistory believes that
language started 1.6 million years ago. This is eight
earlier than scientists thought. Experts
believed that spoken human language began 200,000 years ago. Studies show that the
human language developed in
or southern Africa. He said the
to speak helped evolution. The expert said speech was, "without
, the key which made much of…human physical and
evolution possible".
