What Causes Mumps

Mumps

Mumps is a contagious disease in which the salivary glands swell up. The parotid glands, which are located below and in front of the ears, are the chief ones affected. Mumps is caused when these glands are invaded by a virus. And it is spread almost entirely by direct contact with a person who is infected. The … Read more

What Causes Dandruff

What Causes Dandruff

Medical science still does not really know what causes dandruff. Dandruff might be considered a disease of the scalp, which produces small flakes on the scalp and in the hair. The scientific name for this condition is seborrheic dermatitis. There is a great deal of evidence that indicates an infection of some sort is the … Read more

What Causes An Eclipse Of The Sun

Eclipse

To get a picture of what happens during an eclipse, think of these three bodies: the earth, the sun, and the moon. The moon revolves around the earth. The sun shines out there beyond the moon. But sometimes, as the moon goes around the earth, it passes directly between the earth and the sun.  And … Read more

What Birds Can Talk Best

Birds

There are a great many birds that can be taught to say a few words. But the real “talking birds” can be taught to say long sentences! The best-talking birds are parrots, mynas, crows, ravens, jackdaws, and certain jays. According to the experts, the bird talkers in the world are the African parrot and the myna bird of India. Many people believe that … Read more

What Bird Lays

Bird

Usually, the larger the bird the larger the egg it lays. But the size of a bird’s egg is not always dependent on the size of the parent bird. It really depends on the amount of food necessary to nourish the growing germ up to the point of hatching. Birds that are able to take … Read more

What Are Vertebrates

Vertebrates

One of the things that birds, snakes, fish, frogs, cows, and all have in common is a backbone or vertebral column. It is made up of many small pieces of bone called “vertebrae”. These forms of life are therefore called “vertebrates”. Creatures that do not have a  backbone, such as crabs, snails, grasshoppers, and sponges, … Read more

What Are The Rings Around Saturn

Saturn

In 1610, Galileo, the man who first explored the heavens with a telescope, first noticed something strange about Saturn—it seemed to have things sticking out of its sides! In 1655, a man called Christian Huygens studied Saturn with a better telescope, and he saw something so strange he was afraid to tell anyone about it! … Read more