The sciences, also known as scientific disciplines or branches of science, refer to three major groups of systematic study of the behaviour and conditions of the physical and natural world. These disciplines include:

Natural Sciences: the study of natural phenomena such as universal forces (physics), laws of nature, and biological life;
Formal Sciences: the study of formal systems such as mathematics, logic, and statistics based on definitions and rules as opposed to empirical observation;
Social Sciences: the study of human society as well as societal and interpersonal relationships.

Scientific research involves the empirical study of observable phenomena through experimentation under an established set of conditions, and the organization of results and knowledge acquired into a concise model that can be used to explain said phenomena.

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