image: This is an illustration of what a participant would see when receiving an unfair offer in the Ultimatum Game. This image accompanied the report "In Bad Taste: Evidence for the Oral Origins of Moral Disgust," by H.A. Chapman et. al. appearing in the Feb 27, 2009, issue of Science. view more
Credit: Image courtesy of the Affect and Cognition Laboratory, Department of Psychology, University of Toronto, via Science-AAAS