3. What is the ability to design and manufacture tools considered by Wilson?
(a) The way humans evolve.
(b) The way to take advantage of the hand's capabilities.
(c) A problem-solving strategy.
(d) The only way the brain can solve mechanical problems.

4. Why was Serge Percelly told he had the eye for tennis?
(a) His forearms were unusually well developed.
(b) He could see where the ball was going and meet it there.
(c) His hand-eye coordination was above average.
(d) His retina had more nerves endings than average.

5. Where in Europe does Wilson take his interest in the performance problems of musicians?
(a) Spain.
(b) Italy.
(c) France.
(d) Germany.

6. What does Duchenne figure out how to demonstrate?
(a) The physiology of movement.
(b) The way a muscle expands in order to pull.
(c) The way an electrical charge stops movement.
(d) The way a muscle contracts in order to push.

7. What problem causes the author to reach a turning point in his thinking about the hand?
(a) Musician's cramp.
(b) A broken wrist.
(c) A stroke.
(d) A finger amputation.

8. What is one activity the author mentions that the hand usually does in the morning?
(a) Twisting a water faucet.
(b) Grooms the dog.
(c) Plays with a football.
(d) Conducts a symphony.

9. What is paleoanthropology?
(a) The study of matriarchal civilizations.
(b) The study of human civilizations.
(c) The study of ancient, human origins.
(d) The study of evolution of animals.

10. What is the hand's optimal position over the keyboard?
(a) With the palm slightly convex.
(b) With the fingers fairly rigid.
(c) A gentle curve.
(d) With the fingers spread as far as possible.

11. What does the neocortex size reliably predict?
(a) Group size.
(b) Intelligence.
(c) Evolution rate.
(d) Aggressiveness.

12. According to Wilson, why do children not usually enjoy doing juggling?
(a) They are too easily bored with trying to learn it.
(b) They do not have the necessary physical stamina.
(c) They do not the the necessary concentration.
(d) They do not have the necessary hand-eye coordination.

13. According to Wilson, what did the expansion of territory by hominids require?
(a) Group cooperation.
(b) Equality of the sexes.
(c) Good leadership.
(d) Inequality of the sexes.

14. How does David control the horses he raises?
(a) Rope and harness.
(b) His mind.
(c) A touch of his hand.
(d) Behavior modification.

15. What does the author say comes to life even before you rise out of bed in the morning?
(a) Your digestive juices.
(b) Your dog.
(c) Hands and arms.
(d) Your brain.