The astraunuts are discovering other planets and looking for signs of life on on them.
Thirdly, Science has provided us a happy and healthy life.
I can say it depend upon people in what way they use the science.
The invention of equation e=mc^2 paves way for the destruction of two countries.
We have radio,television,computer,fax machines as a mean of communication. Science has given us various sources of transportation.
Today we have airplanes, jets,aircrafts to go from one place to the other even beyond this earth like to the moon.
Our homes are lighted,cooled in summers and heated in winters using various electric instruments.
The work of hours can be completed within minutes or seconds.
People are more prone towards destructive use of Internet.
To sum up,it can be said that Science itself is not good or bad instead it is upto the user whether he uses it for his selfish gain or for the peaceful and comfortable life. 1)You keep repeating "it" like 13 times during essay.