Introduction to Volume Visualization and Volume Graphics: An introduction to volume visualization. Describes the benefits of visualization and techniques currently used.
Scientific Visualization resources at Zuse Institute Berlin: event listing, research publications library and image catalog. Good introduction to the domain.
Teaching with Visualizations: Scientific visualization resources focusing on geoscience, by R.M. MacKay: tutorial, examples and links.
Visualization Conference: Yearly conference on scientific visualization organized by the IEEE.
Visualization in Scientific Computing: Information about scientific visualization and the use of IBM Data Explorer.