> As a species, humans agree to basic rules of conduct that form an implied Social Contract. Can any non-human species do that? A great question, and the answe

> As a species, humans agree to basic rules of conduct that form an implied Social Contract. Can any non-human species do that? A great question, and the answer is yes. Here's a clear example: http://www.youtube.com/watch?v=aAFQ5kUHPkY http://www.youtube.com/watch?v=aAFQ5kUHPkY Monkeys cooperate to solve a problem, and one of them clearly shows a sense of social contract when he gives a reward to his partner, even though he could easily keep it for himself. Studies have shown that animals definitely have an innate sense of fair play: http://twentytwowords.com/2012/10/08/monkey-hilariously-reacts-to-receiving-unequal-pay/ http://twentytwowords.com/2012/10/08/monkey-hilariously-reac... The above study has been replicated on a variety of animals.