| Why don't construction workers collect royalties whenever someone crosses a bridge safely? | ||
| Why do people sometimes stop working to try to prove the value of their work? | ||
| How does an element of competition get woven into most of life? And why? | ||
| Why does advertising tend to encourage poor people to spend their money and wealthy people to save theirs? | ||
| What does it mean to want? |
Friday, January 12, 2007
Five teasers
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