Research & information: general 103 History of engineering & technology 55 Technology: general issues 55 Society & social sciences 29 Humanities 27 Mathematics & science 27 Migration, immigration & emigration 23 Science: general issues 21 Medicine 19 Neurosciences 18 Education 16 Biology, life sciences 13 Political science & theory 13 Politics & government 13 Sociology 12 Social interaction 11 Teaching of specific groups & persons with special educational needs 11 Inclusive education / mainstreaming 10 Political economy 9 Economic theory & philosophy 8 International relations 8 Media studies 8 Information technology industries 7 Cultural studies 6 Energy industries & utilities 6 Botany & plant sciences 5 Comparative politics 5 Environmental economics 5 Environmental science, engineering & technology 5 Human rights 5