The Good Show

12/21/2013 - In this episode, a question that haunted Charles Darwin: if natural selection boils down to survival of the fittest, how do you explain why one creature might stick its neck out for another?  Is altruism an aberration, or just an elaborate guise for sneaky self-interest?  Do we really live in a selfish, dog-eat-dog world?  Or has evolution carved out a hidden code that rewards genuine cooperation?

http://www.radiolab.org/story/103951-the-good-show/