التصنيف الرئيسي

العلوم الطبيعية

الفلك

• Astrometry
• Cosmology
• Extragalactic astronomy
• Galactic astronomy
• Planetary science
• Stellar astronomy

البيولوجيا

• Anatomy
• Astrobiology
• Biochemistry
• Bioengineering
• Bioethics
• Biogeography
• Bioinformatics
• Biophysics
• Biopsychology
• Biotechnology
• Botany
• Cell biology
• Cryobiology
• Developmental biology
• Ecology
• Ethnobiology
• Evolutionary biology
• Forestry
• Genetics
• Gerontology
• Immunology
• Limnology
• Marine biology
• Mathematical biology
• Metabolism
• Microbiology
• Molecular biology
• Neuroscience
• Paleontology
• Parasitology
• Pharmacology
• Physiology
• Radiobiology
• Soil biology
• Biostatistics
• Theoretical biology
• Toxicology
• Zoology

الكيمياء

• Acid-base chemistry
• Analytical chemistry
• Astrochemistry
• Biochemistry
• Colloidal chemistry
• Crystallography
• Chemical engineering
• Environmental chemistry
• Food science
• Geochemistry
• Green chemistry
• Inorganic chemistry
• Materials science
• Medicinal chemistry
• Metallurgy
• Molecular physics
• Nuclear chemistry
• Organic chemistry
• Organometallic chemistry
• Photochemistry
• Physical chemistry
• Radiochemistry
• Solid-state chemistry
• Stereochemistry
• Supramolecular chemistry
• Surface chemistry
• Theoretical chemistry

علوم الأرض

• Atmospheric sciences
• Ecology
• Environmental science
• Geodesy
• Geography
• Geology
• Geomorphology
• Geophysics
• Glaciology
• Hydrology
• Limnology
• ceanography
• Paleoclimatology
• Palynology
• Physical geography
• Soil science
• Space science
• Volcanology

فيزياء

• Applied and interdisciplinary physics
• Atomic
• Computational physics
• Condensed matter physics
• Experimental physics
• Mechanics
• Particle physics
• Plasma physics
• Quantum mechanics
• Solid mechanics
• Theoretical physics
• Thermodynamics

من العلوم الاجتماعية

مقالات العلوم الاجتماعية وأيضاً العلوم السلوكية ستنتقى من النواحي التطبيقية المثبتة غالباً للتماشي مع تخصص الموسوعة

• Administration
• Economics
• Ethnology
• History
• Geography
• Linguistics
• Political science
• Semiotics
• Sociology

العلوم التطبيقية

• Acoustics

• Agriculture

• Applied mathematics

• Architecture

• Computer science

• Education

• Engineering

• Ergonomics

• Forensics

• Industrial processes

• Information science

• Library and information science

• Measurement

• Metrology

• Military science

• Optics

• Sports science