How Did Duelling Originate?

Duelling Originate

A duel, as we think of it today, is a pre-arranged encounter in accordance with certain rules, between two persons with deadly weapons, for the purpose of deciding a point of honor. According to this definition, certain famous battles between the two men were not really duels. For example, Hector and Achilles were supposed to … Read more

How Did Cities Begin?

Cities

We think of cities as being part of civilization. Both the words “city” and “civilization” come from the same Latin word civis, meaning a person who shares in both the duties and privileges of the community in together, great cities grew. which  he  lives.  When  many  different kinds of people learned to work and play. … Read more

How Did Arithmetic Start?

Arithmetic

Arithmetic may be called the science of numbers. The word itself comes from the Greek “arithmos” which means numbers. At first, men may have counted their sheep and oxen on the fingers of their hands. The word “digit”, which means any single figure from 0 to 9 inclusive, reminds us of this, for “finger” in … Read more

How Can Birds Fly?

Birds Fly

When man decided he wanted to fly, he had to create a flying machine. When you examine a bird, you can see that Nature has done everything possible to make the bird a perfect flying machine. First of all,  the bird has wings. The main flight feathers of the wings are attached to the bone of … Read more

How Big Is A Molecule?

Molecule

A molecule is the smallest particle of a substance that can exist and still keep the properties of the whole.  For example,  if you broke down an of sugar, the elements would not have the characteristics of sugar—its taste or its color, among other things. Sometimes molecules are very simple, others have thousands of atoms arranged … Read more

How Are Oysters Born?

Oysters

When you look at an oyster that has been opened, it seems to be formless. But it is really a complex creature with a mouth, gills, stomach, liver, intestine, and heart. There are more than a hundred species of oysters. They vary widely in size, shape, habits, and flavor. But generally, oysters produce many young. … Read more

How Are Fossils Formed?

Fossils

A fossil is the remains of plants and animals preserved in rock. Sometimes they take the form of shells, bones, scales, or other hard parts of animals. Sometimes an entire animal is preserved. Or a fossil can be a film of carbon left by a decaying plant.  It might be the track of” animals walking … Read more

How Are Flies Born?

How Are Flies Born

We all know that flies carry disease. The fly is born and may spend most of its life around rubbish and germ-breeding areas. The housefly actually chooses moist decaying matter as a place to breed. The female lays the eggs, which are white and about 1.2 millimeters long. From each egg comes a slender, worn like … Read more