Most of the suicide hijackers came from Saudi Arabia, a place not lacking in wealth. But due to rapid population growth, the wealth per capita has fallen by about half in a generation.

Cults, or related social movements such as the Taliban in Afghanistan, result in massive military expenses.

Evolution acts slowly. Our psychological characteristics today are those that promoted reproductive success in the ancestral environmen.

Attention is the way social primates measure status. It is highly rewarding because it causes the release of brain chemicals such as dopamine and endorphins.

Trying to control information in the network age is about as successful as pissing into the wind.

As for leadership, I am the kind who leads reluctantly and more by example than anything else. Someone had to be on the incorporation papers as president.

Lie detection is like language; there is a learning window. Telling whoppers to small children seems to be a family tradition in many families.