This document provides an overview of a course on technical writing for scientific journalism and lay science audiences. The course covers different types of science journalism including technical articles aimed at audiences with some background in the topic and lay audience articles providing high-level overviews without jargon. It discusses how to write for each audience type, including assumptions to make about their knowledge level and importance of leveraging expertise. The document also emphasizes using visuals and analogies to convey abstract concepts to readers.