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Overview · Lists · Outlines · Portals · Categories · Glossaries · Indexes
Reference · Culture · Geography · Health · History · Mathematics · Nature · People · Philosophy · Religion · Society · Technology
Categories (along with other features like cross-references, lists, and infoboxes) help you to find information, even if you don't know what exists or what it's called. The following list of categories of Wikipedia's coverage parallels our other lists by topic.
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! 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
- Main categories: Research and Library science
Reference works • Almanacs • Atlases • Biographical dictionaries • Dictionaries (online) • Directories (online) • Encyclopedias (online) • Glossaries • Handbooks and manuals • Lists • Medical manuals • Reference book stubs • Reference works in the public domain • Style guides • Trivia books • Web sites
Further research tools and topics • Academic disciplines • Archives • Books • Clients • Colleges • Curricula • Databases (online) • Distance education • Grammar • Government agencies • Indices • Information • Knowledge • Libraries (digital) • Library cataloging and classification • News agencies • Periodic table • Prefixes • Reading • Research • Search engines • Suffixes • Topics • Universities • Writing
Culture and Humanities – Classics • Critical theory • Cultural anthropology • Folklore • Food culture • Gastronomy • Languages • Literature • Museology • Mythology • Philosophy • Popular culture • Science and culture • Traditions
- Arts and Entertainment – Arts and crafts • Celebrity • Censorship in the arts • Festivals • Humor • Literature • Museums • Parties • Poetry
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- Performing arts – Dance • Film • Music • Opera • Storytelling • Theatre
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- Visual arts – Architecture • Comics • Crafts • Design • Drawing • Film (Animation) • Painting • Photography • Sculpture
- Games and Toys – Board games • Card games • Dolls • Puppetry • Puzzles • Role-playing games • Video games
- Mass media – Broadcasting • Film • Internet • Magazines • Newspapers • Publications • Publishing • Radio • Television
- Sports and Recreation – Air sports • American football • Association football • Auto racing • Baseball • Basketball • Boating •Boxing • Canoeing • Cricket • Cycling • Exercise • Fishing •Golf • Gymnastics • Hobbies • Horse racing • Ice hockey • Lacrosse • Olympics • Rugby league • Rugby union • Sailing • Skiing • Swimming • Tennis • Track and field • Walking trails • Water sports • Whitewater sports
- Main categories: Geography and Places
Cities • Communities • Continents • Countries • Deserts • Earth • Lakes • Landforms • Maps • Mountains • Oceans • Protected areas • Regions • Rivers • Subterranea • Territories • Towns • Villages
- Main categories: Health, Self-care, and Healthcare occupations
Self-care – Health promotion • Life extension • Prevention • Sexual health
- Nutrition – Dietary supplements • Dietetics • Nutrients (Amino acids, Minerals, Nootropics, Phytochemicals, Vitamins) • Nutritional advice pyramids
- Exercise – Aerobics • Bodyweight exercise (Calisthenics) • Cycling • Exercise equipment • Exercise instructors • Dancing • Exercise physiology • Hiking • Pilates • Running • Sports • Swimming • T'ai Chi Ch'uan • Walking • Weight training • Weight training exercises • Yoga
- Hygiene – Cleaning • Oral hygiene
Public health – Health by country • Healthcare • Health law • Health promotion • Health standards • Hospitals • Occupational safety and health • Pharmaceutical industry • Safety •
Health science – Clinical research • Diseases • Epidemiology • Midwifery • Nursing • Nutrition • Optometry • Pharmacy • Public health
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- Dentistry • Dental hygiene and Orthodontics • Pharmaceuticals policy •
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- Human medicine – Alternative medicine • Cardiology • Endocrinology • Forensics • Gastroenterology • Human Genetics • Geriatrics • Gerontology • Gynecology • Hematology • Nephrology • Neurology • Obstetrics • Oncology • Ophthalmology • Orthopedic surgery • Pathology • Pediatrics • Psychiatry • Rheumatology • Sleep • Surgery • Urology
- Main categories: History and Events
By Period • By Topic • Science • Religion • Historiography • Timelines
History by Location
- Regions – Africa • Asia • Europe • North America • Middle East • Oceania • South America
- Countries – Cities – Empires
- Main categories: Mathematics and Abstraction
Algebra • Analysis • Arithmetic • Education • Equations • Geometry • Logic • Measurement • Numbers • Proofs • Theorems • Trigonometry
Statistics • Analysis of variance • Bayesian statistics • Categorical data • Covariance and correlation • Data analysis • Decision theory • Design of experiments • Logic and statistics • Multivariate statistics • Non-parametric statistics • Parametric statistics • Regression analysis • Sampling • Statistical theory • Stochastic processes • Summary statistics • Survival analysis • Time series analysis • Uncertainty of numbers
Biology • Ecology • Health sciences • Medicine • Neuroscience • (See also the Health and fitness section above)
Earth sciences: • Atmospheric sciences • Geography • Geology • Geophysics • Oceanography
Nature: • Animals • Environment • Humans • Life • Natural resources • Plants • Pollution
Physical sciences • Astronomy • Chemistry • Climate • Physics • Space
Scientific method • Scientists
- Main categories: People, Personal life, Self and Surnames
People • Beginners and newcomers • Biographies • Children • Heads of state • Humans • Legal categories of people • Men • Old age • Political people • Rivalry • Social groups • Subcultures • Women
- Classified By: city • company • continent • educational institution • ethnicity (descent • origin) • medical or psychological condition • nationality • occupation • political orientation • religion • revolution • status • year born • year deceased
- Lists of people • Personal timelines • Terms for females • Terms for males
- Activist • Actor • Astronaut • Billionaire • Chief executive • Colonial people • Composer • Cyborg • Defector • General • Humanitarian • Innovator • Inventor • Lesbian, gay, bisexual or transgendered • Monarch • Musician • Musical group • Philosopher • Photographer •Politician • President • Prince • Princess • Revolutionary • Scientist • Settler • Singer • Slaves • Victim • People associated with war • Writer
Self • Altered ego • Consciousness studies • Gender • Personality • Sexuality • Sexual orientation
- Personal life • Clothing • Employment • Entertainment • Food and drink • Games • Health • Hobbies • Home • Income • Interpersonal relationship • Leisure • Love • Motivation • Personal development • Pet
- Main categories: Philosophy and Thought
Philosophy • Branches • Schools and traditions • Movements • Theories • Arguments • Philosophers • Literature • History • By era • By region • Aesthetics • Epistemology • Ethics • Logic • Metaphysics
Thinking / thinking skills • Attention • Cognition • Cognitive biases • Creativity • Decision theory • Emotion • Error • Imagination • Intelligence • Intelligence researchers • Learning • Memory • Memory biases • Mnemonics • Nootropics (smart drugs) • Organizational thinking • Perception • Problem solving • Psychological adjustment • Psychometrics • Qualities of thought
Allah • Bible • Buddhas • Deities • Demons • Exorcism • God • Jesus • Mythology • Occult • Prayer • Prophecy • Qur'an • Religious ethics • Religious law • Ritual • Spirituality • Theology
Belief systems • Religious faiths, traditions, and movements • Agnosticism • Animism • Atheism • Deism • Determinism • Esotericism • Gnosticism • Humanism • Monism • Monotheism • Mysticism • New Age • Paganism • Pantheism • Polytheism • Shamanism • Skepticism • Spiritualism • Theosophy • Transcendentalism • Unitarianism
Major beliefs of the world • Agnosticism • Atheism • Ayyavazhi • Bahá'í Faith • Buddhism • Cao Dai • Chinese traditional religion • Christianity • Confucianism • Druidry • Falun Gong • Hinduism • Islam • Jainism • Judaism • Mormonism • Neopaganism • Rastafarianism • Satanism • Scientology • Sikhism • Spiritism • Shinto • Taoism • Tenrikyo • Unitarian Universalism • Wicca • Zoroastrianism
Mythology • Mythology by culture • Abrahamic mythology • Buddhist mythology • Christian mythology • Hindu mythology • Islamic mythology • Jewish mythology
See also: Criticism of religion
- Main categories: Science, Social sciences, and Society
Scientific method • Scientists
Social sciences • Anthropology • Archaeology • Cultural studies • Demographics • Economics • Heuristics • Information studies • International relations • Linguistics • Psychology • Media studies • Political science • Social scientists • Sociology • Sexology • Systems theory• Public Administration
Society • Activism • Business • Communication • Crime • Education • Ethnic groups • Family • Finance • Government • Health • Home • Industries • Infrastructure • Labor • Law • Mass media • Military • Money • Organizations • Peace • Politics • Real Estate • Rights • War
- Main categories: Technology and Applied sciences
Agriculture & Agronomy • Architecture • Automation • Biotechnology • Blu-ray • Cartography • Chemical engineering • Communication (Media studies • Telecommunications) • Construction • Design • Digital divide • Earthquake engineering • Electronics • Energy • Ergonomics • Firefighting • Fire prevention • Forensics • Forestry • Industry • Information science • Information technology • Internet • Management • Manufacturing • Marketing • Medicine (Unsolved problems in neuroscience) • Metalworking • Microtechnology • Military science • Mining • Nanotechnology • Nuclear technology • Nutrition • Optics • Plumbing • Robotics • Sound technology • Technology forecasting • Tools
Computing: Artificial intelligence • Classes of computers • Companies • Computer architecture • Computer model • Computer science • Computer security • Computing and society • Data • Embedded systems • Free software • Human–computer interaction • Information systems • Internet • Mobile Web • Languages • Multimedia • Networks • Industrial Networks • Operating systems • Platforms • Product lifecycle management • Programming • Real-time computing • Software • Software engineering • Unsolved problems in computer science • More...
Electronics: Avionics • RF & MMIC Design • Circuits • Companies • Connectors • Consumer electronics • Digital electronics • Digital media • Electrical components • Electronic design • Electronics manufacturing • Embedded systems • Integrated circuits • Microwave technology • Molecular electronics • Water technology • Optoelectronics • Quantum electronics • RFID • Radio electronics • Semiconductors • Signal cables • Surveillance • Telecommunications • Terminology • More...
Engineering: Aerospace engineering • Bioengineering • Chemical engineering • Civil engineering • Electrical engineering • Environmental engineering • Materials science • Mechanical engineering • Nuclear technology • Software engineering • Structural engineering • Systems engineering
Transport: By country • Automobiles • Aviation • Cycling • Public transport • Rail transport • Road transport • Shipping • Spaceflight • Vehicles • Water transport
Technology timelines
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