On Being Off: The Case of Amanda Knox "Preston theorizes that the act of punishment lights up a pleasure zone in our brains, because group evolution relies on cooperation and therefore must include the ability to punish those who don’t cooperate or who are seen as outsiders." I'm interested in this in-group out-group dynamic, in particular between only slightly different groups: iPhone v Android, experimental v theoretical physics, Belfast Catholic v Belfast Protestant. This is a nice article that helps me think about ways that we form judgments about people we half-know. (tags: )