Sciences

Fields of science are widely-recognized categories of specialized expertise within science, and typically embody their own terminology and nomenclature.

Of professional interest to psychologists areinte

Natural sciences
See also: Social sciences, below''

Chemistry

 * Analytical chemistry
 * Biochemistry
 * Computational chemistry
 * Electrochemistry
 * Inorganic chemistry


 * Medicinal chemistry
 * Organic chemistry
 * Physical chemistry
 * Quantum chemistry
 * Spectroscopy
 * Stereochemistry

Physics

 * Acoustics
 * Atomic, Molecular, and Optical physics
 * Biophysics
 * Computational physics
 * Electricity & Magnetism


 * Mathematical physics
 * Mechanics
 * Nuclear physics
 * Optics
 * Quantum Physics
 * Electronics

Biology

 * Anatomy
 * Biochemistry
 * Bioinformatics
 * Biology
 * Biophysics
 * Biotechnology
 * Cell biology
 * Chronobiology
 * Cladistics
 * Cytology
 * Dermatology
 * Developmental biology
 * Ecology
 * Embryology
 * Entomology
 * Epidemiology
 * Ethology
 * Evolution (Evolutionary biology)
 * Evolutionary developmental biology
 * Freshwater Biology
 * Genetics (Population genetics, Genomics, Proteomics)
 * Gerontology
 * Helminthology


 * Histology
 * Immunology
 * Kinesiology
 * Marine biology
 * Microbiology
 * Molecular Biology
 * Morphology
 * Nematology
 * Neuroscience
 * Ontogeny
 * Parasitology
 * Phycology (Algology)
 * Phylogeny
 * Physical anthropology
 * Physical therapy
 * Physiology
 * Population dynamics
 * Psychobiology
 * Structural biology
 * Systematics
 * Taxonomy
 * Toxicology
 * Virology
 * Zoology

Computer sciences

 * Theory of computation
 * Automata theory (Formal languages)
 * Computability theory
 * Computational complexity theory
 * Concurrency theory
 * Algorithms
 * Randomized algorithms
 * Distributed algorithms
 * Parallel algorithms
 * Data structures
 * Operating systems
 * Computer communications (networks)
 * Information theory
 * Internet, World wide web
 * Wireless computing (Mobile computing)
 * Computer security and reliability
 * Cryptography
 * Fault-tolerant computing
 * Distributed computing
 * Grid computing
 * Parallel computing
 * High-performance computing
 * Quantum computing
 * Computer graphics
 * Image processing
 * Scientific visualization
 * Computational geometry


 * Software engineering
 * Formal methods (Formal verification)
 * Programming languages
 * Programming paradigms
 * Object-oriented programming
 * Functional programming
 * Program semantics
 * Type theory
 * Compilers
 * Concurrent programming languages
 * Information science
 * Database
 * Relational database
 * Distributed database
 * Object database
 * Multimedia, hypermedia
 * Data mining
 * Information retrieval
 * Artificial intelligence
 * Automated reasoning
 * Computer vision
 * Machine learning
 * Artificial neural network
 * Natural language processing (Computational linguistics)
 * Expert systems
 * Robotics


 * Human-computer interaction
 * Computing in Mathematics, Natural sciences, Engineering and Medicine
 * Numerical analysis
 * Algebraic (symbolic) computation
 * Computational number theory
 * Computational mathematics
 * Scientific computing (Computational science)
 * Computational biology (bioinformatics)
 * Computational physics
 * Computational chemistry
 * Computational neuroscience
 * Computer-aided engineering
 * Finite element analysis
 * Computational fluid dynamics
 * Computing in Social sciences, Arts and Humanities, Professions
 * Computational economics
 * Computational sociology
 * Computational finance
 * Humanities computing (Digital Humanities)
 * Information systems (Business informatics)
 * Information technology
 * Management information systems
 * Health informatics

See also Branches of Computer Science and ACM Computing Classification System

Mathematics

 * Algebra
 * Group theory
 * Group representation
 * Ring theory
 * Field theory
 * Linear algebra (Vector space)
 * Multilinear algebra
 * Lie algebra
 * Associative algebra
 * Non-associative algebra
 * Universal algebra
 * Homological algebra
 * Category theory
 * Lattice theory (Order theory)
 * Differential algebra
 * Analysis
 * Real analysis
 * Calculus
 * Complex analysis
 * Functional analysis
 * Operator theory
 * Non-standard analysis
 * Harmonic analysis
 * p-adic analysis
 * Ordinary differential equations
 * Partial differential equations


 * Probability theory
 * Measure theory
 * Ergodic theory
 * Stochastic process
 * Geometry and Topology
 * General topology
 * Algebraic topology
 * Geometric topology
 * Differential topology
 * Algebraic geometry
 * Differential geometry
 * Projective geometry
 * Affine geometry
 * Non-Euclidean geometry
 * Convex geometry
 * Discrete geometry
 * Trigonometry
 * Number theory
 * Analytic number theory
 * Algebraic number theory
 * Geometric number theory
 * Logic and Foundations of mathematics
 * Set theory
 * Proof theory
 * Model theory
 * Recursion theory
 * Modal logic
 * Intuitionistic logic


 * Applied mathematics
 * Statistics
 * Mathematical statistics
 * Econometrics
 * Actuarial science
 * Demography
 * Approximation theory
 * Numerical analysis
 * Optimization (Mathematical programming)
 * Operations research
 * Linear programming
 * Dynamical systems
 * Chaos theory
 * Fractal geometry
 * Mathematical physics
 * Quantum field theory
 * Statistical mechanics
 * Information theory
 * Cryptography
 * Combinatorics
 * Coding theory
 * Graph theory
 * Game theory

see also Branches of Mathematics and AMS Mathematics Subject Classification''

Systems science

 * Chaos theory
 * Complex systems
 * Complexity theory
 * Cybernetics
 * Biocybernetics
 * Engineering cybernetics
 * Management cybernetics
 * Medical cybernetics
 * New Cybernetics
 * Second-order cybernetics
 * Control theory
 * Affect control theory
 * Control engineering
 * Control systems
 * Dynamical systems
 * Perceptual control theory


 * Operations research
 * Systems biology
 * Computational systems biology
 * Synthetic biology
 * Systems immunology
 * Systems dynamics
 * Social dynamics
 * Systems ecology
 * Ecosystem ecology
 * Systems engineering
 * Biological systems engineering
 * Earth systems engineering and management
 * Enterprise systems engineering
 * Systems analysis


 * Systems psychology
 * Ergonomics
 * Family systems theory
 * Systemic therapy
 * Systems theory
 * Biochemical systems theory
 * Ecological systems theory
 * Developmental systems theory
 * General systems theory
 * Living systems theory
 * LTI system theory
 * Sociotechnical systems theory
 * Mathematical system theory
 * World-systems theory

Social sciences
See also: Natural sciences, above''

Anthropology

 * Applied anthropology
 * Anthropology of religion
 * Archaeology
 * Cultural anthropology
 * Ethnobiology
 * Ethnography
 * Ethnology
 * Ethnopoetics
 * Evolutionary anthropology


 * Experimental archaeology
 * Historical archaeology
 * Linguistic anthropology
 * Medical anthropology
 * Physical anthropology
 * Psychological anthropology
 * Zooarchaeology


 * Anthrozoology

Economics

 * Macroeconomics
 * Microeconomics
 * Behavioural economics
 * Bioeconomics
 * Development economics
 * Econometrics
 * Economic geography
 * Economic history
 * Economic sociology
 * Energy economics
 * Entrepreneurial Economics
 * Environmental economics
 * Feminist economics
 * Financial economics
 * Green economics
 * Industrial organization
 * International economics
 * Institutional economics
 * Islamic economics
 * Labor economics
 * Law and Economics


 * Managerial economics
 * Mathematical economics
 * Monetary economics
 * Public finance
 * Public economics
 * Resource economics
 * Socialist economics
 * Welfare economics
 * Computational economics
 * Econometrics
 * Evolutionary economics
 * Experimental economics
 * Social psychology
 * Neuroeconomics
 * Political economy
 * Socioeconomics
 * Transport economics

Psychology

 * Behavior analysis
 * Biopsychology
 * Cognitive psychology
 * Clinical psychology
 * Cultural psychology
 * Developmental psychology
 * Educational psychology
 * Eugenics
 * Evolutionary psychology
 * Experimental psychology
 * Forensic psychology
 * Health psychology


 * Humanistic psychology
 * Industrial and organizational psychology
 * Neuropsychology
 * Personality psychology
 * Psychometrics
 * Psychology of religion
 * Psychophysics
 * Physical psychology
 * Sensation and perception psychology

Philosophy
Not considered a science by some thinkers, instead considered a precursor of it. Several fields of philosophy are more directly relevant to the natural and social sciences than others. These include:
 * Epistemology
 * Ethics
 * Logic
 * Philosophy of mind
 * Philosophy of science

Political science

 * Public policy
 * Public administration
 * Ideology
 * Game theory
 * Psephology (voting systems and electoral behaviour)
 * Political economy
 * Geopolitics and political geography
 * Policy studies and public policy analysis
 * Comparative politics
 * National systems
 * Cross-national political analysis
 * Supranational and intergovernmental politics
 * Globalization studies
 * Political development
 * International relations theory
 * Foreign policy analysis
 * public administration and local government studies
 * Political psychology, bureaucratic, administrative and judicial behaviour
 * Legislative processes and public law
 * Power in international relations and the theory of great powers and superpowers.
 * Political science of religion
 * Research methodology
 * Security Studies
 * Strategic Studies

Sociology
See also Subfields of sociology
 * Criminology
 * Demography

Architecture

 * Architectural engineering
 * Architecture


 * Building science
 * Urbanism

Cognitive sciences

 * Cognitive neuroscience
 * Cognitive psychology


 * Neuropsychology
 * Psycholinguistics

Health sciences

 * Conservation medicine
 * Dentistry
 * Medicine


 * Nutrition
 * Veterinary medicine

Medicine

 * Anatomy
 * Dermatology
 * Gynecology
 * Immunology
 * Internal medicine
 * Neurology
 * Ophthalmology
 * Pathology
 * Pathophysiology


 * Pediatrics
 * Pharmacology
 * Physical therapy
 * Physiology
 * Psychiatry
 * Radiology
 * Toxicology
 * Urology

Military Science

 * Military Organisation
 * Military Education and Training
 * Military History
 * Military Engineering
 * Military Strategy and Tactics