What Are Tears of Happiness?

What Are Tears of Happiness?   Generally, we cry when we are hurt or when we are sad. In most of the people, they get tears when they reach their goal or when they get anything unexpected. Few others start crying even in happy situations and these kinds of tears are called as tears of […]

Which is the Biggest Man-Made Lake in the World?

Which is the Biggest Man-Made Lake in the World?   Lake Volta is the largest reservoir by surface area in the world, and the fourth largest one by water volume. This is not a natural a lake but a manmade lake. Volta Lake is located completely within the country of Ghana in the African continent. […]

What is Vitamin of Steel?

What is Vitamin of Steel?   Vanadium is a chemical element with the symbol V and atomic number 23. It is a soft, silvery gray, ductile transition metal. The symbol V is given for this chemical element in remembrance of the goddess of Scandinavia who is very beautiful. This chemical element is founded by one […]

What are the Uses of Vitamin C?

What are the Uses of Vitamin C?   Vitamins are organic food substances found only in living things, i.e. plants and animals. They are essential for our bodies to function properly, for growth, energy and for our general well-being. In those vitamins, the vitamin C or L-ascorbic acid or L-ascorbate is an essential nutrient for […]

Why We Should Not Wear Black Clothes In Summer?

Why We Should Not Wear Black Clothes In Summer?     There are seven colors in the sun light and reason for seeing white color is that it reflects all the light or scatters the light which falls on it. So, white colored objects are also seen and it does not absorb any color. Blue […]

What is Virus?

What is Virus?   It is known and heard by almost all the people that the main reason for the fever, cold and other kinds of diseases is virus. Viruses are found in almost every ecosystem on Earth and are the most common type of biological entity which is responsible for all kinds of diseases.  […]

Why there is a Hole on the Lid of Teapot?

Why there is a Hole on the Lid of Teapot?     Vessel which is used for pouring tea is called as teapot and people add tea powder and water in it to prepare tea. If there is no hole on the teapot lid, the heat of the water in the teapot can’t escape and […]

Who is Vinton Cerf?

Who is Vinton Cerf?   Have you ever heard about one of the famous communications engineer named Vinton Cerf? He is one of the founders of the internet. He is also called as the Father of Internet. The struggle of finding the software’s which are useful for getting the services like e-Mail and many more. […]

Why Do Human Beings Need Vaccines?

Why Do Human Beings Need Vaccines?   Vaccines are given to the small children to protect them from different kinds of diseases. When germs enter the body, the immune system recognizes them as foreign substances (antigens). The immune system then produces the right antibodies to fight the antigens. That immune system is protected by the […]

What are the Advantages and Disadvantages of Uvula?

What are the Advantages and Disadvantages of Uvula?   It is the language which separates the man from animal. The system which is useful for this purpose is there in the human being separately. Besides all the body parts like tongue, jaws, inner mouth, teeth formation and lips in the mouth area, even the Uvula […]