FRIEZE FRAMES

1. Continental drift

2. Big Bang

3. Circular reasoning

4. Compressed air

5. Fuzzy logic

6. Standing wave

7. Blue-green algae

8. Double helix

9. Peripheral vision

10. Melting point

11. Light wave

12. Zinc (Z in C)

HIDDEN IDENTITIES

1. CHARLES DARWIN—EVOLUTION

2. CARL SAGAN—COSMOLOGY

3. ALAN TURING—TURING TEST

4. JAMES WATSON—DOUBLE HELIX

5. LINUS PAULING—MOLECULES

6. LOUIS PASTEUR—VACCINATION

7. THOMAS EDISON—PHONOGRAPH

8. RACHEL CARSON—ECOLOGY

9. GREGOR MENDEL—HEREDITY

STRATIFIED LEXICON

Quotation: “There are no passengers on spaceship earth. We are all crew.”

—Marshall McLuhan