Science, the systematic and unbiased study of the world, including everything that can be seen or detected in nature, man, and society, together with the knowledge that grows out of such study. The word science comes from the Latin scientia, meaning "knowledge."Scientists try to understand, explain, and predict the way in which everything in the world behaves or acts. In pursuing this goal, they study objects, forces, and events as varied as stars, atoms, microorganisms, earthquakes, climate, chemical reactions, magnetic forces, social groups, and human attitudes.Science has had a profound impact on daily life. The knowledge scientists accumulate about nature, or the physical world, is used to produce tools and machines and to develop technology for agriculture, medicine, manufacturing, communication, transportation, construction, mining, lumbering, and fishing. Scientific findings about human society and behavior influence the methods used in rearing children, teaching students, and treating the mentally ill.
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