Chemical Forums - http://chemistry.about.com/science/chemistry/index.htm Discussion boards for all areas of chemistry, at levels ranging from high school to graduate school and practicing chemists. Site also includes web directory, periodic table, articles, and reference tables.
CHEMINFO: Chemical Information Sources from Indiana University - http://chemistry.about.com/science/chemistry/index.htm Site designed to help people find and learn how to use chemical information resources on the Internet and elsewhere. Email discussion list available.
Molecule of the Day - http://chemistry.about.com/science/chemistry/index.htm Weblog explains the relationship between chemistry and real life to non-chemists.
Sci.Chem FAQ - http://chemistry.about.com/science/chemistry/index.htm A fairly comprehensive list of frequently asked questions and answers about chemistry and related topics.