Science news from a more societal perspective

Cooperation may be more beneficial than gobbling. I'm a bit dubious over the conclusions drawn (part of the problem is labelling the bacterial behavior, which means other factors may be at play), but they're certainly intriguing results to ponder. Discover had a more mathematical approach to this, a decade or so ago, called "Tit for Tat."

Controversial and surprising study on gender and violence.