Social Sciences
- Psychology: Mental health, cognition, social behavior, personality traits
- Sociology: Social inequality, deviance, race and ethnicity, gender studies
- Political Science: Governance, electoral systems, political ideologies, international relations
- Economics: Economic growth, inequality, monetary policy, fiscal policy
- Education: Learning theories, teaching methods, educational policy, student outcomes
Humanities
- History: Historical events, historical figures, social and cultural movements
- Literature: Literary genres, authors, literary criticism, cultural analysis
- Philosophy: Ethical theories, epistemology, metaphysics, political philosophy
- Art History: Art movements, artists, art techniques, cultural influences
- Music: Music theory, music history, music genres, music performance
Science, Technology, Engineering, and Mathematics (STEM)
- Biology: Cell biology, genetics, ecology, evolution, biomedical research
- Chemistry: Chemical reactions, materials science, organic chemistry, inorganic chemistry
- Physics: Quantum physics, astrophysics, nuclear physics, particle physics
- Engineering: Mechanical engineering, electrical engineering, civil engineering, computer engineering
- Mathematics: Algebra, calculus, geometry, statistics, machine learning
Interdisciplinary
- Public Health: Epidemiology, preventive medicine, health policy, environmental health
- Environmental Studies: Climate change, pollution, natural resource management, sustainability
- Gender Studies: Intersectionality, feminist theory, gender and society, gender identity
- Cognitive Science: Brain function, memory, language, decision-making
- Data Science: Data analysis, machine learning, big data, data ethics
Other
- Business: Marketing, finance, management, entrepreneurship
- Communication: Media studies, public relations, journalism
- Law: Criminal justice, constitutional law, human rights law, environmental law
- Nursing: Patient care, nursing theory, healthcare policy
- Education: Teacher education, educational technology, curriculum development