This is the time of interglacial period through which we are going. During this period ice melts form the polar caps and the rate of melting has extended from its average time. The ice over the arctic region is melting which comprises of 3% of […]
How many different vitamins are there?
The word vitamin is made from the words “vitamine†which means “vital amineâ€. These are the organic compounds found in a small amount in the food and perform a particular function in cells and tissues. Vitamins react with enzymes and produce the energy from the […]
When was the first car made?
After the invention of wheel man started inventing different types of vehicles that could run on roads. It is said that in 1678 father Ferdinand Verbiest presented a steam powered vehicle to the emperor of China. But no proofs are available for this so people […]
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How are plastic bags made?
Plastics bags are made up of polyethylene in its low density form (LDPE). This polythene is derived from natural gas, crude oil and non-renewable sources. Blown film extrusion or “tubular film extrusion†is one of the most common ways to make a plastic bag. The […]
Why do we need body hair?
Hair has many important roles in our body. Let’s discuss them one by one. PROTECTION Hair is one of the important parts of integumentary system of our body. It serves us by preventing the foreign particles like dust to enter the body. For e.g. hair […]
Why do people bite their nails?
The clinical name for the nail biting is “chronic onychophagiaâ€. Mostly nail biting starts from the childhood and it gradually becomes habit as a person grows up. And if this habit is because of nervous condition then instead of removing the habit we should try […]
How are twins born?
When two offsprings are produced in a single pregnancy, each of them is called a twin. There are two types of twins, monozygotic or identical twins and dizygotic or fraternal twins. The development of twins depends on the fertilization process. Mono zygotic twins or ‘identical […]
What causes belly fat?
People who lead sedentary lifestyles have more belly fat as compared to the people who remain active because the calories required by the body is absorbed by it and the extra ones still remain which changes to fats. It is situated on the top of […]
How do stars form?
Stars are the beautiful objects seen in the sky but what makes them beautiful? What are they made up of? Stars emerge from the dust clouds that are present in all galaxies. The great disturbance and movement deep within the dust cloud causes the knots […]