- Astrophysics and Astroparticles 10
- Atmospheric Sciences 7
- Microbiology 5
- Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics) 5
- Artificial Intelligence 4
- Astronomy, Observations and Techniques 4
- Biochemistry, general 4
- Microbial Genetics and Genomics 4
- Plant Sciences 4
- Cell Biology 3
- Proteomics 3
- Computational Biology/Bioinformatics 2
- Effects of Radiation/Radiation Protection 2
- Environment, general 2
- Food Science 2
- Geotechnical Engineering & Applied Earth Sciences 2
- Human Genetics 2
- Hydrogeology 2
- Life Sciences, general 2
- Operations Research/Decision Theory 2