How is that Psychology? - Rat Pup Huddling

In a past-life I was going to be an agent based modeler, working with Jeff Schank at UC Davis. He spent many years modeling rat pup huddling... in a psychology department. My main interest in the work was that it showed how a group of organisms could perform very complex behavior, even when no individual organism knew what it was doing, or had access to sufficient information to coordinate what