1. Why do you sink in quicksand?

2. What came first the chicken or the egg?

3. How do people come up with recipes?

4. How did language come to be?

5. How does the internet work?

6. How do all cell phones get reception?

7. How do CD’s hold information?

8. How to TV’s work?

9. Why does the brain constantly think?

10. How are huge skyscrapers built?