Nice guys can finish first
It turns out nice guys can finish first, and David Rand has the evidence to show it. Rand, a postdoctoral fellow in Harvard’s Department of Psychology and a lecturer in human evolutionary biology, is the lead author of a new paper, which found that dynamic, complex social networks encourage their members to be friendlier and more cooperative, with the possible payoff coming in an expanded social sphere, while selfish behavior can lead to an individual being shunned from the group and left — literally — on his or her own. As described this week in the Proceedings of the National Academy of Sciences (PNAS), the research is among the first studies to examine social interaction as a fluid, ever-changing process. Previous studies of complex social networks largely used static snapshots of groups to examine how members were or were not connected. This new approach, Rand said, is the closest scientists have yet...