(Phys.org) -- Selfish behaviour is a threat to successful coexistence and mutual cooperation. In many cases this human cooperation is based on punishing those who do not cooperate. There can be two different forms of punishment ...

Other Sciences - Social Sciences

Jul 05, 2012 1.5 / 5 (6) 12 |

(PhysOrg.com) -- Researchers have long been puzzled by large societies in which strangers routinely engage in voluntary acts of kindness, respect and mutual benefit even though there is often an individual cost involved.

Other Sciences - Social Sciences

Mar 18, 2010 4.9 / 5 (7) 2 |