Still Waters Posted May 14, 2013 #1 Share Posted May 14, 2013 A study of two ancient hominins from South Africa suggests that changes in the shape and size of the middle ear occurred early in our evolution. Such alterations could have profoundly changed what our ancestors could hear — and perhaps how they could communicate. http://www.nature.co...an-line-1.12976 Link to comment Share on other sites More sharing options...
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