Education 162 Language teaching & learning (other than ELT) 109 Research & information: general 90 Technology: general issues 83 History of engineering & technology 75 Adult education, continuous learning 66 Educational equipment & technology, computer-aided learning (CAL) 60 Science: general issues 44 Higher & further education, tertiary education 43 Teaching skills & techniques 43 Educational strategies & policy 41 Artificial intelligence 39 Medicine 37 linguistics 37 Teacher training 35 Mathematics & science 33 Psychology 32 Study & learning skills: general 30 Information technology industries 29 Teaching of a specific subject 27 Humanities 26 Language: reference & general 24 Society & social sciences 24 Machine learning 22 Philosophy & theory of education 21 Language 20 Warfare & defence 20 Civil defence 19 Neurosciences 19 Biology, life sciences 16