Science
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This article is about the general term. For other uses, see Science (disambiguation).
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Science[nb 1] is a systematic enterprise that creates, builds and organizes knowledge in the form of testable explanations and predictions about the universe.[nb 2][2]:58
Contemporary science is typically subdivided into the natural sciences which study the material world, the social sciences which study people and societies, and the formal sciences like mathematics. The formal sciences are often excluded as they do not depend on empirical observations.[3] Disciplines which use science like engineering and medicine may also be considered to be applied sciences.[4]
During the middle ages in the Middle East, foundations for the scientific method were laid by Alhazen.[5][6][7] From classical antiquity through the 19th century, science as a type of knowledge was more closely linked to philosophythan it is now and, in fact, in the Western world, the term "natural philosophy" encompassed fields of study that are today associated with science, such as astronomy, medicine, and physics.[8]:3[nb 3]
In the 17th and 18th centuries scientists increasingly sought to formulate knowledge in terms of laws of nature. Over the course of the 19th century, the word "science" became increasingly associated with the scientific methoditself, as a disciplined way to study the natural world. It was in the 19th century that scientific disciplines such as biology, chemistry, and physics reached their modern shapes. The same time period also included the origin of the terms "scientist" and "scientific community," the founding of scientific institutions, and increasing significance of the interactions with society and other aspects of culture.[9][10]
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