Selfishness doomed while cooperation evolves, study says - Los Angeles Times

via brain teasers - Google News http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNFk5GvV8gGsVdNK8WaII7eaft2ejg&url=http://www.latimes.com/news/science/sciencenow/la-sci-sn-game-theory-selfish-20130802,0,7909138.story