Author: Ariful Islam

What Is Air?

About the years 350 B.C, the Greek philosopher Aristotle thought that all things were made of four elements -earth, air, fire, and water. And this was believed for nearly 2000 years. In 1774 the English scientist Joseph Priestley discovered the gas oxygen, and three years later the French scientist Antoine Lavoisier proved that air was …

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Allergy Symptoms

Allergy: If some breaks out in a rash or is made to sneeze by such things as dust, animal fur, or pollen, then that person has an allergy. To have an allergy means to be affected by something which is harmless to most people. The substance causing the allergic reaction is called an allergen. People …

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What is anemia?

Anemia is a particular physical condition in which the amount of hemoglobin in the blood or the number of red blood cells in a person falls below the normal level. More specifically, it is a condition caused by the deficiency of iron in the blood. In fact, hemoglobin is a protein in the red cells …

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What is Acupuncture?

Acupuncture is an ancient form of medical treatment in which small and very thin needles, usually made of stainless steel, are inserted into specific points in the body in order to relieve pain or improve health. The treatment is believed to have been practiced in china as early as 4000 years ago and it is …

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Causes of Pneumonia

Pneumonia is a disorder of one or both the lungs usually caused by micro-organisms such as pneumococcus and mycoplasma. It may also be caused by exposure to radiation, such as X-rays, or by breathing in chemical fumes or powders.  Its affliction causes irritation in the sacs of the lungs. At this stage, the body pours …

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How is glass made?

Today, there is hardly any field of life in which glass is not used in one form or the other. Glass sheets are used in windows of houses, trains, motors cars, ships, and airplanes. The list of its products is, in fact, endless and includes water tumblers, decoration articles, and various kinds of bottles, sunglasses, …

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