Genetic studies in Iceland have found that many of the women who were the founding stock of Iceland came from England and what is now France. Some were probably captured and carried off in Viking raids only 40 generations ago.

If anyone wonders why the airlines are not doing well it is because flying has been made such an unpleasant and degrading experience.

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.

Fighting hard to protect yourself and your relatives is good for your genes, but when captured and escape is not possible, giving up short of dying and making the best you can of the new situation is also good for your genes.

The rare person is still interested in new advances when they are adults. There is possibly a correlation with intelligence. In any case, you have to be fairly bright to keep learning and changing attitudes as you get older.

Brigham Young had 47 children, and over 50 women as wives.

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