Radio Lab Season 9 - The Good Show 901
In this episode, a question that haunted Darwin: if natural selection boils down to survival of the fittest, why would one creature stick its neck out to help 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?