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Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

For the student or professional - famous inventors and inventions - history timelines - patents trademarks and copyrights - manufacturing resources - interviews with successful inventors - understanding the business of how to sell or license your new...

Science Channel video and news explores wormholes, outer space, engineering, cutting-edge tech, and the latest on your favorite SCI programs!

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

HowStuffWorks Science has explanations and colorful illustrations related to earth science, life science, and other wonders of the physical world.

Online Medical Dictionary and glossary with medical definitions

MTA history, member

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. Infoplease.com contains facts on all subjects including sports, entertainment, techno...

Official website of the National Institutes of Health (NIH). NIH is one of the world

The Chemical Heritage Foundation (CHF) fosters an understanding of chemistry?s impact on society. An independent, nonprofit organization, CHF maintains major collections of instruments, fine art, photographs, papers, and books. We host conferences an...

Science Clarified