In my view, I think that science is a boon as -well- as a bane, science is a world of knowledge. Each and every problem has a solution in science and each and every problem is created by science to our environment and our Eco – system. There is a saying that anything over in use is harmful. In the same way science if overused is harmful. Knowledge can be used in a good way and also in a bad way same thing in science it can be used in good way as well as in a bad way. It depend on us how we use it, there are many advantage and disadvantages in it.