Reviews all netcourses for teachers in mathematics and science, highlights the advantages of netcourses, and discusses the differences between conventional and network-based courses. Uses this analysis to predict the early emergence of netcourses for the professional development of teachers. (12 references) (JRH)

Describes the design of a learning environment, called the Climate Visualizer, intended to facilitate scientific sense-making in high school classrooms by providing students the ability to craft, inspect, and annotate scientific visualizations. Discusses how visualizations can promote creation of scientific theories, especially in conjunction with…