1. Is the past a comfort, a warning, or both? Why?

2. (T/F) Human life extension is one of the "now lengtheners" mentioned by Brand.

3. A positive feedback system rewards "players" for ________ common resources.

4. What's problematic about "fast learners" is that they tend to make changes _________. (too quickly, too slowly)

5. Ecologists have been strangely reluctant to study _______.

6. A new idea as powerful as any in history, said the astronomer Fred Hoyle, was _____________.

7. Esther Dyson says getting older ______ her "age group."

8. Finite games focus on ___________, while infinite games focus on __________. There are how many infinite games, ultimately?

9. How did Jonas Salk define "wisdom"?

10. Bristlecone trunks on Nevada's Mt. Washington go back approximately how many years?