Another relevant article from the same site: Artists' beards evolved to be "structurally different" http://newstechnica.com/2014/04/17/artists-beards-evolved-t

Another relevant article from the same site: Artists' beards evolved to be "structurally different" http://newstechnica.com/2014/04/17/artists-beards-evolved-to-be-structurally-different/ http://newstechnica.com/2014/04/17/artists-beards-evolved-to...