Most people think that the reason why some of us or shall I say ALL OF US are being selfish from time to time is because evolution has forced us to be that way. But you would actually be wrong. Turns out, our species survival depends on being generous. Check out also the post about empathy and how chimpanzees prove us that we are able to have morals without religion.
If George Carlin was still alive today, I wonder what his response to this video would be? LOL
He is a hero !