Human faces are so variable because we evolved to look unique
Berkeley CA (SPX) Sep 22, 2014 - The amazing variety of human faces - far greater than that of most other animals - is the result of evolutionary pressure to make each of us unique and easily recognizable, according to a new study by University of California, Berkeley, scientists. Our highly visual social interactions are almost certainly the driver of this evolutionary trend, said behavioral ecologist Michael J. Sheehan, ... more
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