Fouls work a little differently in robot soccer.It's been nearly a month since Uruguayan striker Luis Suarez bit Italy's Giorgio Chiellini on the shoulder in a stadium in Brazil (or, in Suarez's words "suffered the physical result of a bite in the collusion he suffered with me"). But this week, just a little more than a hundred miles south of where that game took place, one Iranian soccer-playing robot in RoboCup--the World Cup for robots--malfunctioned, falling on top of one of its Indonesian opponents and ripping off its arm.Read Full Story