The 21st century is the golden era of humanity where modernization and globalization become the main stars of society. Scientists are going through many explorations and expeditions, maximizing the modernized facilities. I agree that it is possible for humankind to have a better life, thanks to the hands and the minds of scientists, who believe they can change the world. Scientists have recognized many possibilities to improve life quality and prevent the earth from mass destruction, which will be explained in this paper.