There's more evidence that selfishness is self-defeating.
New research suggests we will forgo benefits to help others, but are much less willing to suffer harm.
Teamwork wins games, but a taste for “hero ball” means players are much less cooperative during playoffs. That kind of selfish play is often rewarded with boatloads of money.
Our multimedia presentation on the evolution of fairness continues with an explanation of how those with more convince those with less that their culture remains fair.