A Big Encyclopedia of Small Questions That Broaden a Child's Horizons

Author: Wang Wei
Publisher:
Publish Date: 2005-04-01
Features: Human Knowledge, Life Facts, Plant Knowledge, Animal Knowledge, Birds, Fish, and Insects, Human Civilization, Universe Knowledge, Science and Technology, Transportation, Geography, Natural Knowledge
What is space debris? Is crying beneficial to human health? Why do toads have bumps on their bodies? Do the stripes on zebras serve a purpose? Why are wave crests white?