In collaboration with other English Heritage specialists, over 90 free regional courses have been presented during the last 7 years, attended by more than 2500 people. Subjects covered have included scientific dating, geophysics, ancient technology, faunal remains, archaeobotany, geoarchaeology, ceramics analysis and artefact conservation. These provide up-to-date best practice guidance to regional archaeologists using local examples wherever possible. RSAs also teach in universities, educating future archaeological scientists.