There's a theory that suggests altruism ultimately trumps selfishness within species, as aggressive warlike creatures would kill each other off ad-infinitum, wh

There's a theory that suggests altruism ultimately trumps selfishness within species, as aggressive warlike creatures would kill each other off ad-infinitum, where as cooperation ultimately strengthens individuals beyond the sum of their parts. [1] [1] http://www.radiolab.org/story/103951-the-good-show/ http://www.radiolab.org/story/103951-the-good-show/