11. HOW CAN AN OWL SEE AT NIGHT?
For thousands of years, the owl has been a creature to which people have attached special significance. Primitive people have many superstitions about the owl, chiefly because of the peculiar cries it makes.
In many parts of Europe when an owl is heard to hoot, it is considered a sign of death. In ancient Greece, the owl was a symbol of wisdom.
10. WHERE DID PLANTS COME FROM?
Was there a time when there were no plants on earth? According to the theories of science, the answer is yes. Then, hundreds of millions of years ago, tiny specks of protoplasm appeared on earth. Protoplasm is the name for the living material that is found in both plants and animals. These original specks of Protoplasm, according to the scientists, were the beginnings of all our plants and animals.
9.WHY DOES ICE CRACK PIPES?
Many a student who goes to college complains, “Why do I have to study physics and science, I’ll never use these things.” Of course, such people are quite wrong about “not using” physics and science. The fact is that whether we know it or not, we all use the laws of physics in everyday life many, many times.