Of all water in the world, only 3% is fresh (water with less than 0.5 parts per thousand dissolved salts). Less than one third of the 1% is available for human use. The rest is frozen in glaciers or in the polar ice caps, or even in the d...

The Ultra-violet lamps of a water treatment by UV produce UV-C. No UV-C rays from the sun ever come into contact with life on earth, they are completely filtered by the atmosphere. However, man produced UV-C rays do. The UV-C lamps are u...

Diabetes is a disease caused by a failure of the biological mechanisms for regulating blood sugar, due to insufficient of the production of insulin (hormone that is needed to convert sugar, starches and other food into energy) by the panc...

The water is a simple chemical compound, but with complex properties because of its bias. The chemical formula of water is H2O. That is, each water molecule consists of one oxygen atom between two hydrogen atoms. Water is indispensable fo...

Clean air is a basic precondition of our health. However, most of the people in United States and other developed countries suffer from exposure to many air pollutants that put our health at risk. Air pollution affects our health in diff...

Air is a mixture of several gases, mostly nitrogen and oxygen. The air has no color, no smell, and no taste. Pure air has vital role in all living beings; we cannot live without it. Unfortunately, the air we breathe is not always pure. Th...