Dinosaurs grew feathers for heat regulation, but the ones that started flying started becoming birds.

The first art in caves were really psychedelic experiences, and the reason that they were is because the tribal encyclopedia, the amount of information that people needed to know in order to move to a new way of life, suddenly increased over that period of time.

Finding a name for something is a way of conjuring its existence, of making it possible for people to see a pattern where they didn't see anything before.

The areas of the brain that have to do with speech are very connected with the same parallel processors that have to do with the kind of ballistic calculations you need to hit small game with a rock.

If, like many others, you are concerned social media is making people and cultures shallow, I propose we teach more people how to swim and together explore the deeper end of the pool.

Mobile phones amplify human talents for cooperation.

There actually are buildings that existed in cyberspace before they built it.