The most feared jaws in football have again snapped shut on human flesh. Renowned Uruguayan jerk Luis Suárez appeared to chomp the shoulder of Italy’s Giorgio Chiellini during a World Cup match on Tuesday. The player’s latest chomp raises questions about sportsmanship. Namely, what kind of brain decides it is OK, in the course of athletic performance, to seize part of a competitor’s body between your teeth like a rabid pit bull?

read more What’s eating Luis Suarez: the psychology of biting – health – 25 June 2014 – New Scientist.