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Branches of Science

1,000 knowledge domains spanning formal sciences to frontier research — starting with 13 foundation domains and 987 specialized fields.

Browse all domains

Formal Sciences

formal-sciences

Logic, mathematics, statistics, and the formal structures of knowledge.

5 branches160 equations

Physical Sciences

physical-sciences

The fundamental laws governing matter, energy, space, and time.

9 branches171 equations

Chemical Sciences

chemical-sciences

Reactions, bonds, and the molecular architecture of matter.

6 branches158 equations

Biological Sciences

biological-sciences

Life from molecules to ecosystems, evolution, and neuroscience.

5 branches157 equations

Earth System Sciences

earth-system-sciences

Geology, oceans, atmosphere, and climate dynamics.

5 branches156 equations

Space Sciences

space-sciences

Astronomy, astrophysics, cosmology, and orbital mechanics.

5 branches157 equations

Engineering Sciences

engineering-sciences

Applied science for building machines, structures, and systems.

10 branches161 equations

Medical Sciences

medical-sciences

Human health, disease, pharmacology, and clinical science.

3 branches156 equations

Agricultural Sciences

agricultural-sciences

Food systems, soil, crops, and sustainable agriculture.

2 branches160 equations

Social Sciences

social-sciences

Economics, society, behavior, and human systems.

3 branches161 equations

Information Sciences

information-sciences

Computation, data, AI, and digital systems.

4 branches156 equations

Interdisciplinary Sciences

interdisciplinary-sciences

Cross-domain science bridging multiple fields.

3 branches155 equations

Frontier Sciences

frontier-sciences

Emerging research at the edge of human knowledge.

5 branches156 equations

Formal Sciences

Physical Sciences

Chemical Sciences

Biological Sciences

Earth System Sciences

Space Sciences

Engineering Sciences

Medical Sciences

Agricultural Sciences

Social Sciences

Information Sciences

Interdisciplinary Sciences

Frontier Sciences