Visit Your Local PBS Station PBS Home PBS Home Programs A-Z TV Schedules Watch Video Donate Shop PBS Search PBS
SAF Archives  search ask the scientists in the classroom cool science

Guide Index

Why Are Peppers Hot?

Can You Beat Jet Lag?

How Do Bees Fly?

Why Does Traffic Jam?

Sand to Nuts

Viewer Challenge
in the classroom

Life's Little Questions:
Viewer Challenge Quiz

Here are the answers to the Scientific American Frontiers Show 904: Life's Little Questions Viewer Challenge Quiz Answers:

  1. d

  2. numbs the nerves or fires a pain message to brain or it actually fools cells into thinking they're on fire

  3. c

  4. light or light to eyes or back of knees

  5. wings are too small, wings beat too slowly

  6. b

  7. new traffic lights, new highways, clear tunnel backups or accidents

  8. backward propagating wave

  9. a

  10. around the edges of the stain


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