Organizations, Magazines and Journals

American Chemical Society – This is a national organization of chemists, biochemists, chemical engineers and other chemistry-related professionals. The site includes links to many of the most important scientific journals in the field of chemistry.
Science (AAAS) – Published by the American Association for the Advancement of Science, Science is one of the most prestigious scientific journals.
Scientific American – A good monthly magazine that covers several interesting topics in science (only selected contents from the magazine are available on the website).
Natural History – A good monthly magazine that has numerous articles relating to biology, evolution, astronomy and other aspects of the natural world. The monthly “Universe” column by Neil deGrasse Tyson is particularly good (only selected contents from the magazine are available on the website).
Skeptical Inquirer – A monthly magazine for people with really inquiring minds.

Periodic Tables

WebElements – A great online periodic table, with lots of information about each element, printable periodic tables and periodic table applications for Windows, Mac and Palm platforms.
Visual Elements – A visually unique interpretation of the periodic table, with some fascinating information about the elements.
The Periodic Table of Comic Books – Exploring the connection between chemistry and comic books (Yes, there really is one).

Doctor Slime – The name says it all.
Can Crush Demo with a Real-Life Example – See a railroad tank car crushed by steam!
Science Is Fun in the Lab of Shakhashiri – Web page of the University of Wisconsin-Madison’s Professor Bassam Z. Shakhashiri, the master of chemical demonstrations.
Delights of Chemistry – Web page of chemistry demonstrations at the University of Leeds.

RasMol – A great program for viewing 3-D chemical structures in PDB format.
RasMol and OpenRasMol – This page has a more recent version of the RasMol program.
Chime - A great 3-D structure viewing tool from MDL Information Systems Inc.

ChemBioFinder – An archive of structures, physical properties and hazard information for chemicals, searchable by name (IUPAC or trivial), molecular formula or molecular weight. It is from CambridgeSoft, makers of ChemDraw and Chem3D.
Organic Compounds Database – A searchable archive of information about organic compounds.
Chime Resources – Interesting molecular structures created for use with the Symyx viewing program.
Indiana University Molecular Structure Center – Lots of molecular structures from Indiana University.
The Molecule of the Month – Links to information on interesting molecules at various universities and commercial sites.
Molecules with Silly or Unusual Names - Information about molecules with weird names, such as moronic acid, curious chloride, traumatic acid, constipatic acid, betweenanenes, furfuryl furfurate, diurea and lots more.

ChemPen - Classic Organic Reactions – A large list of named organic reactions, from Acetoacetic Ester Condensation to Zinke-Suhl Reaction.
DNA from the Beginning – A great tutorial on the basics of genetics.
Organic Chemistry Resources Worldwide – A collection of links to various organic chemistry resources.
International Union of Pure and Applied Chemistry – Everything you ever wanted to know about naming organic compounds, but were afraid to ask.

Chemistry Animations and Movies on the World Wide Web – Links to animations and movie files demonstrating chemistry concepts, reactions and demonstrations from all over the world.
Skunk Defensive Secretion – Everything you ever wanted to know about skunk spray and its chemistry.

Science Jokes Archive – Thousands of jokes relating to every imaginable field of science.

Bad Science – Challenging false explanations of scientific phenomena that abound in popular opinion, newspapers, television and the classroom.
The Skeptic’s Dictionary – An exhaustive online survey of “questionable therapies, eccentric beliefs, amusing deceptions and dangerous delusions” by Robert T. Carroll.
The TalkOrigins Archive – A great archive of articles posted by contributors to the TalkOrigins newsgroup, presenting mainstream scientific responses to common creationist arguments.
Bob Riggins’s Page – A good selection of science essays by R. J. Riggins.
Froguts.com – A virtual dissection of a frog.
Atomic Archive – A history of the science and politics behind the Manhattan Project.