The new findings on the evolution of language
The study about two ancestors who came from South Africa shows the evolution of the middle ear bones decided they could hear something.
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The combination of monkey and human-like features in middle ear bones of two limbs extinct ancient human ancestors suggests humans may have first evolved parts of the south where people spend Gibbon no.
It is sensitive to the mid-range frequencies that modern man for speaking activity, as reported in the journal PNAS.
The small bones in the middle ear of Paranthropus robustus and Australopithecus africanus showed the modern human traits related to the evolution of language.
House anthropologist Rolf Quam neck of Binghamton University (US) interpretation that the similarities between these two people living in different periods indicate that there are important characteristics in the most profound origin.
It is known that people living Australopithecu ago from 3.3 to 2.1 million years, and the Paranthropus from 1.8 million years ago.
Quam experts and colleagues plan to use the CT scan images of fossil and renewable 3D anatomical characteristics of the inner ear bones to determine exactly the time that people have heard what kind of sound .
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