From the giant Chinese seach engine Baidu (as of Jan 2007 – the largest web property on the Internet)
Top 10 “Why” questions:
1. Why did they go on the Long March?
2. Why are we alive?
3. Why do we need to drink water?
4. Why can’t I open this page/link?
5. Why does my hair fall out?
6. Why can’t I get online?
7. Why do we love?
8. Why study?
9. Why take part in exams?
10. Why get married?
More Why? How? What is? and Should I? questions from Foregin Policy