science has become a means of destruction

How far is correct to say that science has become a means of destruction?

While the development of science and technology is a boon, these are also a curse to mankind. They are really very powerful. It they were used for useful puuposes, they become a boon. But , if they are used for destructive purposes they are indeed a great curse, for they may destroy the whole civilization and can sweep away mankind from the surface of the globe.

Why are we so much afraid of war in the modern time?

In the world of to-day vastly destructive weapons such as the atom bomb, etc. have been invented. It they are used our whole civilization, even the mankind can be destroyed altogether . So, we are so much afraid of wad these days.

How has the span of man’s life been increased these days?

Medical Science is advancing rapidly. Scientists have invented various medicines to prevent or cure diseases. As a result many diseases have disappeared and many others are less prevalent . So , the span of man’s life has been increased.

How is x-ray useful in the treatment of diseases ?

X-ray is an equivalent to take the pictures of the interior parts of the body. It is useful to diagnose different diseases and to give proper treatment of the diseases . Thus X-ray is very useful in the treatment of diseases.

Mention three medicines which had been invented in the 20^th century. Also mention the diseases  they can cure.

The three chief medicines invented in the 20^th century are sulpha drugs, penicillin and antibiotics. Penicillin is used in the treatment of different infections. The sulfa drug is used in the treatment of different infections. Antibiotics are very effective in the treatment of eye infections, ulcer, meningitis, T.B., dysentery  and bladder and kidney infections.

In which century were vitamins discovered? Mention its various uses.

Vitamins were discovered in the 20^th century. It is used to maintain health, to tackle the problems of mal-nutrition and to cure the diseases like rickets, beri-beri, pellagra, etc.

Who were Picasso and Matisse? Mention their prominence.

Picasso and Matisse were the prominent figures in the modern art of painting. Picasso used the method of abstract then resembled into