Category Archives: WHY?

225.WHY IS SUNSHINE HEALTHFUL?

Everybody has a kind of instinctive feeling that being in the sunshine is good for us. But did you know that there are specific scientific reasons

why this is so? Let’s consider some of the things that happen when we expose our bodies to the rays of the sun.

224.WHY IS BREAD CALLED “THE STAFF OF LIFE?”

Wherever you may go in the world—whatever the local customs, language, dress, or taste in food—you will find some form of bread! Of course, there are almost as many varieties of bread as there are nations.

In China, bread is made from rice flour. In India, they use millet. In Germany and in the Scandinavian countries, bread is made from rye and barley. There are countries that use beans, potatoes, and even acorns in the making of bread!

223.WHY DON’T WOMEN HAVE BEARDS?

Just as feathers are characteristic of birds, so hair is characteristic of mammals. Why do mammals have hair? There is a variety of reasons. Let’s consider some of them.

The chief value of hair is that it conserves the heat of the body. In the tropics, it may serve an opposite function. Certain tropical animals are protected from direct sunlight by their hair.