"Picturing the Uncertain World" by Howard Wainer. http://www.amazon.com/exec/obidos/ASIN/0691137595

- World record improves linearly for over 50 years, for how long will the trend continue?

- Is it OK not to rescore erroneously high SAT scores?

- Why among examinees who get the same SAT score White examinees do better on easy items, whereas Black examinees do better on hard items?

- How comes that areas with the lowest and the highest kidney cancer death rate are rural areas?