Amanda Ripley

PISA was developed by a kind of think tank for the developed world, called the Organization for Economic Co-operation and Development, and the scientist at the center of the experiment was Andreas Schleicher.

This strange new test called PISA, which stood for the Program for International Student Assessment. Instead of a typical test question, which might ask which combination of coins you needed to buy something, PISA asked you to design your own coins, right there in the test booklet.

The human brain works by identifying patterns. It uses information from the past to understand what is happening in the present and to anticipate the future. This strategy works elegantly in most situations. But we inevitably see patterns where they don__ exist. In other words, we are slow to recognize exceptions. There is also the peer-pressure factor. All of us have been in situations that looked ominous, and they almost always turn out to be innocuous. If we behave otherwise, we risk social embarrassment by overreacting. So we err on the side of underreacting.

Why do we procrastinate leaving? The denial phase is a humbling one. It takes a while to come to terms with our miserable luck. Rowley puts it this way: 'Fires only happen to other people.' We have a tendency to believe that everything is OK because, well, it almost always has been before.

In river rescues, members of the Kansas City Fire Department rescue squad yell profanity-laced threats at victims before they get to them. If they don't, the victim will grab on to them and push them under the water in a mad scramble to stay afloat. "We try to get their attention. And we don't always use the prettiest language," says Larry Young, a captain in the rescue division. "I hope I don't offend you by saying this. But if I approach Mrs. Suburban Housewife and say, 'When I get to you, do not fucking touch me! I will leave you if you touch me!' she tends to listen.