1.8M views · 1.8K reactions | Humans are the most intelligent species on Earth, even if sometimes we don't behave that way. Yet all of our perceived shortcomings are in fact evolutionary success stories. Our greed ensures that we survive at all costs- in the wild it's far better to overindulge today when food is available then try to ration or be altruistic and risk famine or disaster tomorrow. | The Infographics Show | Facebook