Topic
Earth-Surface Processes
7
General Earth and Planetary Sciences
6
General Environmental Science
5
Ecology, Evolution, Behavior and Systematics
4
Archeology
3
History
3
Insect Science
3
Molecular Biology
3
Physiology
3
Structural Biology
3
Arts and Humanities (miscellaneous)
2
General Medicine
2
Museology
2
Space and Planetary Science
2
Astronomy and Astrophysics
1
Earth and Planetary Sciences (miscellaneous)
1
Geography, Planning and Development
1
Physics and Astronomy (miscellaneous)
1
Political Science and International Relations
1