| Category | Description |
|---|---|
| Animal Sciences | Development, ecology, animal husbandry, pathology, physiology, populations genetics and/or systematics. |
| Behavioral and Social Sciences | Clinical and developmental psychology, cognitive psychology, physiological psychology and/or sociology. |
| Biochemistry | General biochemistry, metabolism and/or structural biochemistry. |
| Cellular and Molecular Biology | Cellular biology, cellular and molecular genetics, immunology and/or molecular biology. |
| Chemistry | Analytical chemistry, physical chemistry, organic chemistry, inorganic chemistry and/or general chemistry. |
| Computer Science | Algorithms, data bases, artificial intelligence, networking and communications, computational science, computer graphics, software engineering, programming languages, computer system and/or operating system. |
| Earth and Planetary Science | Climatology, weather, geochemistry, mineralogy, paleontology, geophysics, planetary science and/or tectonics. |
| Energy and Transportation | Aerospace and aeronautical engineering, aerodynamics, alternative fuels, fossil fuel energy, vehicle development and/or renewable energies. |
| Engineering | Materials and bioengineering: bioengineering, civil, construction, chemical and/or industrial engineering, as well as processing and/or material science. Electrical and mechanical: electrical, computer, and/or mechanical engineering, controls, robotics, thermodynamics and/or solar. |
| Environmental Science | Environmental sciences: air pollution and air quality, soil contamination and soil quality and/or water pollution and water quality. Environmental management: bioremediation, ecosystems management, environmental engineering, land resource management, forestry, recycling and/or waste management. |
| Mathematics | Algebra, analysis, applied math, geometry and/or probability and statistics. |
| Medicine and Health Sciences | Disease diagnosis and treatment, epidemiology, genetics, molecular biology of diseases, physiology and/or pathophysiology. |
| Microbiology | Antibiotics, antimicrobials, bacteriology, microbial genetics and/or virology. |
| Physics and Astronomy | Astronomy, atoms, molecules, solids, biological physics, instrumentation and electronics, magnets and electromagnets, nuclear and particle physics, optics, lasers, masers, theoretical physics and/or theoretical or computational astronomy. |
| Plant Sciences | Agriculture, agronomy, development, ecology, genetics, photosynthesis, plant physiology (molecular, cellular, organismal), plant systematics and/or evolution. |