Provided by the Visualization and Animation Laboratory at the Finnish IT Center for Science, the Chemist's Art Gallery contains "spectacular visualizations and animations in chemistry." The main page contains links to visualizations done at the laboratory as well as ones done at other locations. Examples of what the laboratory has been creating include Distributions of Counterions around DNA,...

This nice reference guide from Arizona State University's Noble Science and Engineering Library amounts to "an index to selected library and internet resources that contain chemical, physical, thermodynamic, mechanical, toxicological, and safety data." Starting with a list of suggested standard reference sources that may be found in most technical libraries, this reference guide goes on to include...

The Catalyst is a Web site dedicated to providing online chemistry resources for the secondary education teacher. The resource links page contains dozens of links organized by subject such as organic chemistry, periodic tables, history of chemistry, experiments, teaching, and supplies. Other highlights of the site include a teacher's forum, links to other high school chemistry pages, a question...