page_title: Branches of science
hierarchical_section_title: Branches of science
caption_attribution_description: English: As an introduction to science, the Scale of the Universe is mapped to the Branches of Science and the Hierarchy of Science. The Scale of the Universe capture the average diameters of key systems. The scale needs to be cubed to make volume; it takes about 60 trillion atoms to make a human cell, 100 trillion cells to make a person, and 108 billion people have lived to build modern society. The hierarchy of the sciences captures major areas of study in science. The images capture the fundamental building block for the scientific branch. Math is built up from binary logic, physics is built on atomic scale physical laws, life science is built by cellular behavior calculated through natural selection, social science is built on the human brain, and earth and space science begins with our own planetary body.
context_page_description: The branches of science, also referred to as sciences, "scientific fields", or "scientific disciplines," are commonly divided into three major groups:
  Formal sciences: the scientific study of logic, mathematics, which use an a priori, as opposed to empirical, methodology.
  Natural sciences: the scientific study of natural phenomena. Natural science can be divided into two main branches: physical science and life science.
  Social sciences: the scientific study of human behavior in its social and cultural aspects.
  Natural and social sciences are empirical sciences, meaning that the knowledge must be based on observable phenomena and must be capable of being verified by other researchers working under the same conditions. This verifiability may well vary even within a scientific discipline
  Natural, social, and formal science make up the fundamental sciences, which form the basis of interdisciplinary and applied sciences such as engineering and medicine. Specialized scientific disciplines that exist in multiple categories may include parts of other scientific disciplines but often possess their own terminologies and expertises.
context_section_description: The branches of science, also referred to as sciences, "scientific fields", or "scientific disciplines," are commonly divided into three major groups:
  Formal sciences: the scientific study of logic, mathematics, which use an a priori, as opposed to empirical, methodology.
  Natural sciences: the scientific study of natural phenomena (including cosmological, geological, physical, chemical, and biological factors of the universe). Natural science can be divided into two main branches: physical science and life science (or biological science).
  Social sciences: the scientific study of human behavior in its social and cultural aspects.
  Natural and social sciences are empirical sciences, meaning that the knowledge must be based on observable phenomena and must be capable of being verified by other researchers working under the same conditions. This verifiability may well vary even within a scientific discipline
  Natural, social, and formal science make up the fundamental sciences, which form the basis of interdisciplinary and applied sciences such as engineering and medicine. Specialized scientific disciplines that exist in multiple categories may include parts of other scientific disciplines but often possess their own terminologies and expertises.
caption: The scale of the Universe mapped to branches of science and showing how one system is built atop the next through the hierarchy of the sciences.
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