Periodicals 25 Biophysics 4 Ecology 4 Plant physiology 4 Power resources 4 Biology 3 Energy policy 3 Materials 3 Nuclear chemistry 3 Nuclear energy 3 Nuclear physics 3 Plant molecular biology 3 Anthropology 2 Astronomy 2 Astrophysics 2 Bioengineering 2 Biomolecules 2 Chemistry, Physical and theoretical 2 Classification 2 Condensed matter 2 Earth sciences 2 Environmental aspects 2 Environmental policy 2 Evolution 2 Fluid mechanics 2 Genetics 2 Immunology 2 Insects 2 Medicine 2 Microbiology 2