In one ear - news story - 14 May 2013
Hear we go
Researchers at Binghampton University in New York have examined the ear bones of two different hominins - Paranthropus robustus and Australopithecus africanus - from around 2 million years ago. They have found evidence to support the suggestion language wasn't developed by that time. The bones show a mixture of ape-like and human-like characteristics which they believe would not provide the necessary mid-register sensitivity to allow complex communication by speech.
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