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Guide Index

Dams and Dolphins

Food for Thought

Driven to the Wall

Wisdom of Li Shizhen

Time Travelers

Viewer Challenge
in the classroom

DRAGON SCIENCE: Viewer Challenge

  1. To generate electricity, and provide flood control.

  2. Through diet, medication, and check-ups.

  3. 20 percent.

  4. It is self-fertilizing.

  5. Anti-collision device on car or power wire tracking on train.

  6. It uses rules instead of mathematical equations.

  7. The tongue.

  8. The body's energy.

  9. They had Caucasian features and did not appear to be ethnic Chinese.

  10. Dry heat and salty desert soil, coated with preservative.
How'd you do?


Scientific American Frontiers
Fall 1990 to Spring 2000
Sponsored by GTE Corporation,
now a part of Verizon Communications Inc.