From RefDesk

Subscribe to daily mailings here

Check out the Molecular Expressions website featuring photo galleries that explore the fascinating world of optical microscopy. This site offers one of the Web's largest collections of color photographs taken through an optical microscope (commonly referred to as "photo-micro-graphs"). The Photo Gallery has images covering just about everything from beer and ice cream to integrated circuits and ceramic superconductors.

Bartleby.com combines the best of both contemporary and classic reference works into the most comprehensive public reference library ever published on the web.
The Columbia Encyclopedia; The Encyclopedia of World History; The World Factbook; the American Heritage® Dictionary of the English Language; Roget's International Thesaurus of English Words and Phrases; Bartlett's Familiar Quotations; Fowler's English Usage; Strunk's The Elements of Style; the King James Version of the Bible; Brewer's Dictionary of Phrase and Fable; Bulfinch's The Age of Fable; Frazer's The Golden Bough; The Oxford Shakespeare; Gray's Anatomy of the Human Body; Emily Post's 1922 Etiquette; Robert's Rules of Order Revised; and much, much more.

Learn all about our U.S. Governors at this site from the National Governors Association. You'll find general biographical and term information about each state/commonwealth/territory's governor.

Resources for Learning is a collection of activities, articles, evidence and analysis and more, for educators, families, students and anyone interested in teaching or learning about science.

The Columbia Electronic Encyclopedia contains almost 52,000 entries (marshalling six and one-half million words on a vast range of topics), with more than 84,000 hypertext cross-references. Columbia Encyclopedia is among the most complete and up-to-date electronic encyclopedias ever produced.

The Space Environment Center is a project of the National Oceanic and Atmospheric Administration site, the official source of space weather alerts, warnings, and forecasts. The Center provides current information on geomagnetic storms, solar winds, solar flares, and aurora activity.

SurfWax provides the "best use" of relevant search results. SurfWax's patent-pending design is the first to make searching a "visual process," seamlessly integrating meaning-based search with key knowledge-finding elements for effective association and recall.
Especially recommended for people making the step up from "surfing" to serious "searching" on the 'Net