Recently I watched 'Religion for Breakfast' on the topic of How Altruism Evolved in Humans ( https://www.youtube.com/watch?v=EIbGfGsW_2A ). Altruism is defined as the principle or practice of unselfish concern for or devotion to the welfare of another. And behavior by an animal that may be to its disadvantage but that benefits others of its kind, such as a warning cry that reveals the location of the caller to a predator. In today's society, examples of altruism would include Paying it Forward and offering food to the poor. The way he explained it, us humans have not always had this social trait but evolved into it over time. According to Hamilton's Rule, altruism can evolve in a population if the cost to the potential donor is less then the benefit passed on to the donor's direct relatives. Thusly insuring that their genes of cooperation and reciprocity carry on in future generations. It's fascinating to learn how our ancestors grew...