Fields of science and technology are used to classify R&D according to the Revised Fields of Science and Technology Classification. The fields included are:1. Natural sciences;2. Engineering and technology;3. Medical and health sciences;4. Agricultural sciences;5. Social sciences;6. Humanities.
OECD (2007), Revised Fields of Science and Technology (FoS) Classification in the Frascati Manual.
To break down R&D expenditure and personnel by fields of science.