WHY IS CUTTING OF NAILS AND HAIR PAINLESS?

NAILS AND HAIR - You may have noticed that whenever any part of our body is cut, we experience tremendous pain but when we cut out our hair or nails, we do not feel any pain. Do you know why is it so? We have, in all, twenty nails on our hands and feet. We do not experience any pain in cutting them because they are composed of dead cells. Nails are special structures of the body formes from the outer layer of the skin....

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WHY DO SOME PEOPLE SNORE DURING SLEEP?

SNORING - You must have definitely come across people who snore during sleep. Their mouth remains open and a peculiar sound comes out while breathing. Do you know why this happens? Normally, people breath through the nose. But some people's nose remains blocked due to some reason. And thus they breathe through the mouth. Sleeping on the back can also make a person snore. When we are asleep and breath through the mouth, the...

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WHO WAS MICHAEL FARADAY?

MICHAEL FARADAY - The great scientist Sir Humphry Davy was once asked by a friend to name his greatest discovery to which he replied ' Michael Faraday'. Faraday was then working as his assistant. Later his contributions in the field of electromagnetism and electrochemistry led to the invention of many things including dynamo and motor. Born in 1791 in a poor blacksmith family, Faraday began his career at the age of 13 as an errand boy...

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DOES A BLACK CAT BRING BAD LUCK?

BLACK CAT  - Have you heard someone telling you that a black cat crossing the road is a bad omen and you should not walk on the road if the cat has just passed by? Do you know why a cat in general and a black cat, in particular, is considered inauspicious? Superstitions have taken various forms over the centuries but one of the most common superstitions that still prevails is that of the 'black cat'. Many people all over the...

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WHY DOESN'T FROZEN FOOD GET SPOILED?

FROZEN FOOD - Have you ever wondered why we store perishable foodstuff in the freezer compartment of our fridge? It is because frozen food does not decompose for a long time and can be preserved for many months. There is an interesting fact about the discovery of the method of preserving food through low temperatures. In 1798, some explorers from Norway camped at the mouth of the river Lena in Northern Siberia. All...

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