"If everyone looked more or less the same there would be total chaos," study co-author Dr. Michael J. Sheehan, a postdoctoral fellow in the University of California, Berkeley’s Museum of Vertebrate Zoology, told The Huffington Post in an email. "It would be really hard to tell the difference between members of your family, different people at work, friends and neighbors versus total strangers, etc. Of course, it may still be possible to figure out who is who after talking with them for a bit but think of how taxing that would be."
For the study, Sheehan and his colleagues examined body measurements collected in 1988 from white and black men and women in the army. The researchers looked at how much facial traits -- like distance between the pupils and nose width -- varied across the sample, in comparison to other body traits l...
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