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Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the world.
Rapid accumulation of knowledge, which has characterized the development of science since the 17th century, had never occurred before that time. The new kind of scientific activity emerged only in a few countries of Western Europe, and it was restricted to that small area for about two hundred years.
Technology is the making, usage and knowledge of tools, techniques ,crafts, systems or methods of organization in order to solve a problem or serve some purpose. The word technology comes from Greek technología meaning "art, skill, craft", and logía meaning "study of “. The term can either be applied generally or to specific areas.
Science and technology is a term of art used to encompass the relationship between science and technology. It frequently appears within titles of academic disciplines (science and technology studies) and government offices.
Fields of science are widely-recognized categories of specialized expertise within science, and typically embody their own terminology and nomenclature. Each field will commonly be represented by at least one scientific journal, where peer reviewed research will be published.