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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...

The Molecular Expressions website features hundreds of photomicrographs (photographs through the microscope) of everything from superconductors and high-tech materials to ice cream and beer.

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Get Physics Help Online from our Expert Physics Tutors. Avail a Free Physics Tutoring Session and get Help with Physics Concepts from the Physics Problem Solver.

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.

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Learn how to do just about everything at eHow. Expert Village is now a part of eHow, adding expert How To videos to eHow, the world

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