Biochemica et Biophysica Acta (Journal) 153 History 140 Algae 136 Politics and government 71 Religion 52 Agriculture 49 Education 48 History and criticism 48 Philosophy 46 Communication 45 Scheduled tribes 45 Race relations 44 Data mining 40 Literature 39 Biography 38 Finance 38 Fungi 38 Population 38 Rural development 38 Tribes 38 Non-governmental organizations 37 Industries 36 Language and literature 36 Transportation 36 Untouchables 36 Wildlife management 36 Algae- Phycology 35 Tourist trade 35 Urbanization 35 Social conditions 33