Everyone belongs to a tribe and underestimates how influential that tribe is on their thinking. There is little correlation between climate change denial and scientific literacy. But there is a strong correlation between climate change denial and political affiliation. That’s an extreme example, but everyone has views persuaded by identity over... See more

Given the powers of emergence, large human giants would be forces to reckon with. But unlike ants, humans are more than just cells in competing giants—they’re competing individuals too. So as tribes grew in size, the benefits of strength and capability would be accompanied by the cost of increasing instability. A human tribe is held together by... See more