> What humans have in common is that we are descended from the most aggressive, fastest breeding population that killed off all our close competitors. We didn'

> What humans have in common is that we are descended from the most aggressive, fastest breeding population that killed off all our close competitors. We didn't necessarily kill 100% of all our individual close competitors. We might've won the majority of resources and protected them from outsiders. We also could've been the most adaptable and naturally curious group that was more clever at over coming hardships and willing to travel long distances to discover new resources even if the risk level was high.