"Microsoft Academic Search is a free academic search engine developed by Microsoft Research, which also serves as a test-bed for our object-level vertical search research. Microsoft Academic Search provides many innovative ways to explore scientific publications, authors, conferences, journals, organizations and keywords, connecting millions of scholars, students, librarians, and other users."
A "computational search engine" that can solve mathematical problems, convert numbers, and perform other interesting calculations. Read more about it in Thrall's Science and Technology blog.
"Looking for great websites for kids? Our editors have made it easy with these hand-picked lists of fun, age-appropriate kids' sites and online games. It's a big world on the web, but with lists like ours, it can be a worthwhile one for your kids."
"FREE makes it easier to find teaching and learning resources from the federal government. More than 1,500 federally supported teaching and learning resources are included from dozens of federal agencies. New sites are added regularly." Provided by the U.S. Department of Education.
Activities for math, language, science, history and the arts. Aimed at grades 2 through 12. Topics include the Renaissance, Middle Ages, spelling, volcanoes, metrics, geometry, garbage and more. From the Annenburg Foundation.
"Created by a network of UK universities and partners. Subject specialists select and evaluate the websites in our database and write high quality descriptions of the resources." Their database contains over 110,000 records.
In addition to this Ready Reference guide, which you are viewing right now, we maintain a variety of resource guides covering more subjects yet. You may browse or search our guides. Also check out our databases and blogs.