A course of independent study

Compendium

People, works, and ideas.
A connected way to learn them.

Explore nine study paths across the humanities, sciences, and culture. Each moves through a sequence of subjects, with full explanations and supporting details gathered beneath their main topics.

106,999 entries 57 subjects 9 study paths

Choose a path and begin with its first subject, or enter wherever your curiosity takes you. Read each chapter’s main topics first; the indented entries add depth.

Study path 01 9 subjects 14,145 entries

Literature & Language

Begin with the tools of close reading and the structure of language. Then follow literary traditions through their authors, works, forms, and recurring ideas.

Begin this path
  1. Literary Terms & DevicesRhetorical figures, forms, genres, and critical vocabulary. 6 chapters
    699 entries
  2. LinguisticsThe structure of language: phonology, syntax, semantics, and historical change. 7 chapters
    1,310 entries
  3. Classical LiteratureGreek and Latin epic, drama, poetry, and prose of antiquity. 9 chapters
    365 entries
  4. World LiteratureMajor non-English-language authors and works across world traditions. 11 chapters
    3,052 entries
  5. British & Irish LiteratureEnglish and Irish authors and works from Beowulf to the present. 8 chapters
    2,973 entries
  6. American LiteratureMajor American authors, works, and movements from the colonial era to today. 9 chapters
    3,527 entries
  7. PoetryPoetic traditions, forms, poets, and individual poems, with their images, voices, and recurring themes. 9 chapters
    1,446 entries
  8. Modern & Contemporary Literature20th- and 21st-century global literature, movements, and major figures. 7 chapters
    742 entries
  9. Literary PrizesMajor literary awards and notable laureates. 9 chapters
    220 entries

Study path 02 3 subjects 5,989 entries

Myth & Belief

Explore stories of origins, gods, and heroes across cultures, then connect those traditions to religious texts, practices, institutions, and thought.

Begin this path
  1. World MythologyNorse, Egyptian, Hindu, Mesopotamian, Celtic, Japanese, Mesoamerican, Finnish, African, Polynesian, Slavic, and other mythological traditions. 10 chapters
    1,541 entries
  2. Greco-Roman MythologyOlympian gods, heroes, and myths of Greece and Rome. 7 chapters
    965 entries
  3. World ReligionsBeliefs, texts, and history of the major world religions. 10 chapters
    3,516 entries

Study path 03 8 subjects 15,124 entries

History

Build a chronological framework, move into regional histories, and return to the journeys, conflicts, laws, and political changes that connect them.

Begin this path
  1. Ancient HistoryMesopotamia, Egypt, Greece, Rome, and the classical world. 11 chapters
    1,400 entries
  2. World History & EmpiresMajor civilizations and empires of Asia, Africa, and the Americas. 12 chapters
    1,793 entries
  3. European HistoryEurope from the Middle Ages through the 20th century. 10 chapters
    2,992 entries
  4. American HistoryU.S. history from colonization through the present, with presidents and turning points. 10 chapters
    3,327 entries
  5. Explorers & ExplorationVoyages of discovery by land and sea across the ages. 7 chapters
    434 entries
  6. Wars, Battles & ConflictsMajor wars, decisive battles, revolutions, and their outcomes. 11 chapters
    2,068 entries
  7. Documents, Laws & Court CasesFoundational documents, treaties, and landmark legal decisions. 7 chapters
    1,486 entries
  8. The Modern World (1945-Present)The Cold War, decolonization, globalization, and 21st-century events. 8 chapters
    1,733 entries

Study path 04 9 subjects 18,688 entries

Fine & Performing Arts

Learn the visual and musical languages of the arts. Follow movements into individual works, then explore buildings, performance, and the moving image.

Begin this path
  1. Art MovementsStyles and schools from the Renaissance to contemporary art. 8 chapters
    560 entries
  2. Artists & ArtworksMajor painters, sculptors, and their defining works. 9 chapters
    2,154 entries
  3. ArchitectureArchitectural styles, landmark buildings, and major architects. 8 chapters
    1,078 entries
  4. Music TheoryNotation, harmony, form, and the vocabulary of music. 7 chapters
    770 entries
  5. Classical MusicComposers, eras, and major works of the Western classical tradition. 8 chapters
    1,759 entries
  6. OperaComposers, operas, characters, and musical drama, from early traditions to modern works. 8 chapters
    590 entries
  7. Popular MusicJazz, blues, rock, hip-hop, and popular genres and artists. 9 chapters
    5,470 entries
  8. Theater & DanceDrama, playwrights, ballet, and the performing arts. 8 chapters
    1,220 entries
  9. FilmMajor directors, films, movements, and the history of cinema. 7 chapters
    5,182 entries

Study path 05 11 subjects 18,413 entries

Science

Start with mathematical and statistical tools. Work outward through matter, the universe, Earth, and living systems, then connect those ideas to health and discovery.

Begin this path
  1. MathematicsBranches, theorems, constants, and famous problems of mathematics. 10 chapters
    2,438 entries
  2. Statistics & Data ScienceProbability, study design, inference, regression, prediction, and responsible data analysis. 7 chapters
    391 entries
  3. PhysicsMechanics, thermodynamics, electromagnetism, relativity, and quantum theory. 8 chapters
    2,670 entries
  4. Particle & Nuclear PhysicsSubatomic particles, the Standard Model, and nuclear processes. 6 chapters
    396 entries
  5. ChemistryElements, bonding, reactions, and the organization of the periodic table. 9 chapters
    3,158 entries
  6. AstronomyStars, the solar system, galaxies, cosmology, and the history of space exploration. 6 chapters
    1,204 entries
  7. Earth & Climate ScienceGeology, the atmosphere, oceans, and the climate system. 7 chapters
    1,333 entries
  8. BiologyCells, genetics, evolution, physiology, and the diversity of life. 9 chapters
    4,057 entries
  9. Medicine & AnatomyHuman anatomy, disease, and milestones in medicine. 8 chapters
    2,003 entries
  10. Public Health & EpidemiologyPopulation health, study designs, disease measurement, prevention, surveillance, and health policy. 7 chapters
    300 entries
  11. Inventions & DiscoveriesKey inventions and scientific discoveries and who made them. 7 chapters
    594 entries

Study path 06 5 subjects 3,636 entries

Technology & Computing

Trace computing from its origins to algorithms and networks. Continue into machine learning and the engineering principles behind designed systems.

Begin this path
  1. Computing HistoryFrom mechanical calculators to the modern computer. 7 chapters
    459 entries
  2. Computer ScienceAlgorithms, data structures, theory, and programming concepts. 9 chapters
    1,020 entries
  3. The Internet & NetworkingHow networks and the web work, and their history. 6 chapters
    679 entries
  4. AI & Machine LearningConcepts, milestones, and key ideas in artificial intelligence. 7 chapters
    265 entries
  5. EngineeringDesign, mechanics, energy, materials, systems, infrastructure, manufacturing, safety, and the major engineering fields. 7 chapters
    1,252 entries

Study path 07 8 subjects 15,113 entries

Mind & Society

Move from questions about knowledge and the mind to cultures, institutions, economies, and power. Geography and education bring these perspectives into everyday life.

Begin this path
  1. PhilosophyMajor philosophers, schools, and problems from antiquity to now. 9 chapters
    2,056 entries
  2. Psychology & NeuroscienceThe brain, behavior, cognition, and influential studies. 7 chapters
    1,121 entries
  3. AnthropologyHuman origins, culture, kinship, and major anthropologists. 6 chapters
    777 entries
  4. SociologySocial structure, theory, and major sociological thinkers. 6 chapters
    887 entries
  5. EconomicsMicro and macro concepts, schools of thought, and key economists. 7 chapters
    2,055 entries
  6. Political Science & GovernmentSystems of government, political theory, and institutions. 7 chapters
    2,285 entries
  7. GeographyPhysical and human geography: capitals, features, and terms. 8 chapters
    5,271 entries
  8. Education & LearningLearning science, teaching, curriculum, assessment, education research, institutions, access, and lifelong learning. 6 chapters
    753 entries

Study path 08 3 subjects 14,871 entries

Modern Culture

Study the food, games, entertainment, and shared references of everyday culture, with people and details gathered around the traditions they belong to.

Begin this path
  1. Food & CuisineWorld cuisines, dishes, ingredients, and culinary terms. 10 chapters
    1,251 entries
  2. SportsMajor sports, championships, rules, and legendary athletes. 9 chapters
    5,311 entries
  3. Television & Pop CultureLandmark television, internet culture, and modern entertainment. 10 chapters
    8,315 entries

Study path 09 1 subject 1,020 entries

Connections & Further Topics

Follow the remaining connections across fields and explore topics that sit outside the main subject paths.

Begin this path
  1. Other TopicsInterdisciplinary topics, current events, and general knowledge. 5 chapters
    1,020 entries