All our senses are controlled by our nerves, which carry their messages to the brain. Therefore, any part of us that has nerves also has a sense of feeling. We might fall and cut ourselves, or have a tooth that aches. We are made well aware of pain because the damaged parts contain nerves. Our hair, however, does not contain …

Orhan Pamuk — Ferit Orhan Pamuk was born on 7 June 1952, generally known simply as Orhan Pamuk, is a Turkish novelist. He is also the Robert Yik-Fong Tam Professor in the Humanities at Columbia University, where he teaches comparative literature and writing. One of Turkey’s most prominent novelists, his work has sold over seven million books in more than …

Every body on this earth is attracted by the gravitational pull of the earth. A freely falling object has weight W=mg, where W-weight, m-mass of the object and g-acceleration produced due to the earth’s gravity. An object kept in a lift which falls freely, weighs zero on the weighing machine, but its actual weight is still mg. This happens because …

It is the movement of the cloth that makes the bull react violently as like most mammals, the bull too is colour blind and cannot be affected by the colour of the cloth. When a matador moves a cloth (irrespective of the colour) in front of the bull, it perceives the movement as a threat and is angered, and as …

Oprah Winfrey — Oprah Gail Winfrey (born January 29, 1954) is an American media proprietor, talk show host, actress, producer, and philanthropist. Winfrey is best known for her multi-award-winning talk show The Oprah Winfrey Show, which was the highest-rated program of its kind in history and was nationally syndicated from 1986 to 2011. Dubbed the “Queen of All Media”, she …

There are many special nerve endings in our fingertips that let us touch and feel things-even very small things. As good as our fingertips are at feeling things, they are not the best touchers and feelers in our body. Can you guess what part of your body is the best “toucher” and “feeler”? It’s the tip of your tongue!

We turn white when we are frightened because the blood in our cheeks in diverted to do a more urgent job. At the same time our hearts begin to beat much faster, and we breathe more quickly. When we sit still, our hearts beat at about 70 or 80 times a minute, pumping the blood through our bodies. The blood …

Some scientist consider that sleep is an instinct, a basic need for the body and mind to relax and to escape from the responses needed while awake. We become tired in body and mind if we do not sleep, and scientists have proved that when we do sleep the electrical activity of the brain slows down, although it may be …

When people say that they see a man’s face on the Moon, they are actually seeing the uneven surface on the Moon. There are deep holes, called craters, and hills on the Moon’s surface. There is no man on the Moon. That the Moon is much smaller than the stars and even the earth. In fact, four moons put together …

Very simply because our bodies are about two thirds water. The human body contains about eleven gallons of water, and as we get rid of our body water by sweating and other means, we must replace it. The water in our bodies is not the same as ordinary drinking water, of course. There are many chemicals in it, which the …