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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

Mathematics

Algebra, Calculus

Statistics

Descriptive Statistics, Inferential Statistics

Probability

Computer Science

Algorithms, Complexity

Information Theory

Physical Sciences

Physics

Classical Mechanics

Quantum Mechanics

Relativity

Thermodynamics

Electromagnetism

Fluid Mechanics

Nuclear Physics

Particle Physics

Chemical Sciences

Chemistry

Organic Chemistry

Inorganic Chemistry

Physical Chemistry

Analytical Chemistry

Biochemistry

Biological Sciences

Biology

Genetics

Ecology

Evolution

Neuroscience

Earth System Sciences

Earth Science

Geology

Oceanography

Meteorology

Climate Science

Space Sciences

Astronomy

Astrophysics

Cosmology

Orbital Mechanics

Astronautics

Engineering Sciences

Engineering

Mechanical Engineering

Aerospace Engineering

Rocket Science

Propulsion

Electrical Engineering

Civil Engineering

Chemical Engineering

Biomedical Engineering

Materials Science

Medical Sciences

Medicine

Epidemiology

Pharmacology

Agricultural Sciences

Agronomy

Soil Science

Social Sciences

Economics

Finance

Sociology

Information Sciences

AI

Machine Learning

Deep Learning

Robotics

Interdisciplinary Sciences

Complexity Science

Network Science

Sustainability Science

Frontier Sciences

Quantum Computing

Synthetic Biology

Fusion Science

Longevity Science

Brain-Computer Interfaces