STEM

1. Technology

1.1. Aerospace

1.2. Applied Physics

1.3. Agriculture

1.4. Communication

1.5. Computing

1.6. Construction

1.7. Design

1.8. Electronics

1.9. Energy

1.10. Engineering

1.11. Firefighting

1.12. Forensic Science

1.13. Health

1.14. Hydrology

1.15. Industry

1.16. Information Science

1.17. Military Science

1.18. Mining

1.19. Nanotechnology

1.20. Prehistoric Technology

1.21. Sustainability

1.22. Transport

2. Science

2.1. Physical Sciences

2.1.1. Physics

2.1.2. Chemistry

2.1.3. Astronomy

2.2. Earth Sciences

2.2.1. Geology

2.2.2. Oceanography

2.2.3. Paleontology

2.2.4. Meteorology

2.3. Biology

2.3.1. Botany

2.3.2. Zoology

2.3.3. Genetics

2.3.4. Medicine

3. Engineering

3.1. Computer Science Engineering

3.2. Electronics and Communication Engineering

3.3. Electrical Engineering

3.4. Mechanical Engineering

3.5. Information Technology Engineering

3.6. Civil Engineering

3.7. Chemical Engineering

3.8. Aeronautical Engineering

3.9. Agricultural Engineering

3.10. Mining Engineering

3.11. Biochemical Engineering

3.12. Electrical and Instrumentation Engineering

3.13. Metallurigical Engineering

4. Mathematics

4.1. Algebra

4.2. Calculus and Analysis

4.3. Geometry and Topology

4.4. Combinatorics

4.5. Logic

4.6. Number Theory

4.7. Dynamical Systems and Differential Equations

4.8. Mathematical Physics

4.9. Computation

4.10. Information Theory and Signal Processing

4.11. Probability and Statistics

4.12. Game Theory

4.13. Operations Research