Everything we have published

Baseball built a statistic to measure individual value. Somewhere along the way we started asking it to explain winning, greatness and championships. Those may not be the same thing.

Capuchins, chimpanzees and macaques are using tools, passing down traditions and leaving archaeological records behind. What does that tell us about the origins of human intelligence?

Whatever you believe about UFOs, the standard of evidence should be the same as it is anywhere else.