STN Coffee Lecture Recorded STN e-Seminar Enhance or refresh your STN skills with our STN Coffee Lectures! Concise, easily understandable information on various aspects of STN commands, interfaces or specific databases, presented in 10-minute sessions. We will offer 2-3 STN Coffee Lectures in the first week of each month. Third session in August 2020: Technology Focus, Use, Advantage, etc – Benefit from the Highly Structured Derwent Abstract Download the presentation here. HTML5 Video is required for this example. Download the video file.