The role of science is significant in our daily life. The various gifts of science has made our life more comfortable. The wonderful inventions of science such as electricity, fans, air-conditioners, television, mobile phones, motor-vehicles, etc. has eased our life, and now it has become almost impossible to live without using them.Scientists have invented so many wonder drugs. The effects of these drugs are so miraculous. By means of these drugs, fatal diseases could be controlled. Many deadly diseases can be cured by the application of medicine in proper time.