In every human society, people differ from one another in status. Those with higher status have greater power, money, and access to interested mates. Due to the fitness-enhancing benefits of having ...

Recent analysis of psychological literature indicates that racial bias in childhood is driven by more than just a preference for those who look similar to oneself. A review of existing research ...

It is an uneasy truth of humanity that we are by nature hierarchical. Our brain is a meaning-making operation, and one of its basic procedures is to organize concepts hierarchically. Hierarchies make ...