If we want to understand why people are the way they are, we should try thinking the same way. A human isn’t simply a perfect survival creature—it’s also just the right element of a perfect survival tribe. Examining the traits of a perfect survival tribe can help us see the specs for human nature, not only illuminating who we are, but why we’re... See more

The story of humanity is an urban one, a slow 20,000 year drift towards a largely urban condition. A city does the same thing to individualism that a natural ecosystem does to a tree — thriving there is about living well with people who are not like you. Just as a tree revels in those multifarious interdependencies, so we do with cities.