14 majors. Choose where to go next.
Each major is divided into subjects and modules with lessons, tests, and smart review. Start with History of the World or take a look at what's coming next.
World History
A complete journey through the history of humanity, divided into subjects by era, each with its own modules and key points.
- Antiquity
- The Middle Ages
- Transition to the Modern World
- The Late Modern Age
- The Late 19th Century and WWI
- The Interwar Period and WWII
- The Cold War Era
- The Contemporary World
World Philosophy
History of philosophical thought from classical and Eastern antiquity to the contemporary world.
- Ancient Philosophy
- Medieval and Scholastic Philosophy
- Modern Philosophy
- Contemporary Philosophy
- African and Latin American Philosophy
- Buddhist and East Asian Philosophy
- Ethics and Moral Philosophy
- Epistemology and Philosophy of Mind
- Political and Social Philosophy
- Aesthetics and Philosophy of Science
World Geography
Landforms, climates, population, and economy of the planet, with a global look at its major regions.
- Landforms and Major Physical Regions
- Climates and Ecosystems of the Planet
- Population and Cities of the World
- Economic Geography and Natural Resources
- Cartography, GIS, and Geospatial Technology
- Regional Geography of the Continents
- Geopolitics, Power, and Global Conflict
- Historical Geography and Exploration
- Natural Hazards and Disaster Geography
Great Religions of the World
Origin, beliefs, and expansion of humanity’s major religious traditions.
- Abrahamic Religions
- Religions and Philosophies of India
- East Asian Religions
- Ancient Beliefs and Mythologies
Global Economy
Economic thought, the international financial system, and the great forces of globalization.
- History of Economic Thought
- International Financial System
- International Trade and Globalization
- Global Development and Inequality
World Art
Humanity’s great artistic movements, from the earliest civilizations to contemporary avant-gardes.
- Ancient and Classical Art
- Medieval and Renaissance Art
- Modern Art
- Contemporary Art and Avant-Gardes
Science and Technology: Great Discoveries
Milestones in science and technology that transformed humanity’s understanding and way of life.
- The Scientific Revolution
- Physics and the Great Discoveries
- Biology and Medicine: Historical Milestones
- The Digital Age and the Technological Revolution
International Organizations and Law
The origin and workings of international law and of the great multilateral organizations.
- Origins of International Law
- The UN and the Multilateral System
- Universal Human Rights
- Regional and International Organizations
World Literature
Great works and authors of world literature, from the classics to contemporary Nobel laureates.
- Classical Literature
- Medieval and Renaissance Literature
- Modern Literature
- Contemporary Literature and Nobel Laureates
Contemporary Geopolitics and International Relations
Balances of power, current conflicts, and the great dynamics of today’s international relations.
- Theory of International Relations
- Great Powers and the Balance of Power
- Current International Conflicts and Crises
- Globalization and New Global Actors
Food and Nutrition
The science of nutrition, diet, and how food shapes human health across the lifespan.
- Nutritional Science Fundamentals
- Diet and Disease Prevention
- Food Science and Safety
- Public Health Nutrition and Global Food Policy
The History and Culture of Food
How food, cuisine, and eating traditions have shaped human history and culture across civilizations.
- Ancient and Traditional Foodways
- The Global Exchange of Foods
- Culinary Traditions and National Cuisines
- Modern Food Culture and Gastronomy
Programming
The languages, logic, and tools behind modern software, from first principles to real-world development.
- Programming Fundamentals
- Data Structures and Algorithms
- Web and Software Development
- The History and Evolution of Programming Languages
Cybersecurity
The principles, threats, and defenses that protect data, networks, and systems in the digital age.
- Cybersecurity Fundamentals
- Network and System Security
- Cryptography and Secure Communications
- Ethical Hacking and Digital Forensics