Sociology is a social science which is concerned with the systematic study of human society.
Sociology has since become not only an accepted and rigorous discipline, but also one of humankind's major resources of self-awareness in the twentieth century. As sociology has developed, several specialized subdisciplines have emerged, and there are now sociologies of science, politics, education, law, economics, cities, religion, and knowledge. Besides illuminating other disciplines, the sociological perspective is being put to practical use in fields as diverse as race relations, city planning, propaganda, and industrial relations.