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Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

The largest and most trusted free online thesaurus. Quickly find accurate and up-to-date synonyms, antonyms, and related words at Thesaurus.com. Synonym dictionary, antonym dictionary, words synonyms.

Chem4Kids.com! The web site that teaches the basics of chemistry to everyone!

The Khan Academy is a not-for-profit 501(c)(3) with the mission of providing a world-class education to anyone, anywhere. Despite being the work of one man, Salman Khan, this 1600+ video library is the most-used educational video resource as measure...

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

The United States Holocaust Memorial Museum is America

Solution Search rewards innovative conservation successes in communities where the need is greatest. In the first of many searches Rare and its partners seek solutions to help remedy an environmental crisis that is quickly becoming a humanitarian iss...

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

Siemens AG is a global powerhouse in electronics and electrical engineering, operating in the industry, energy and healthcare sectors.

Explore more than a 1000 cloud ready virtual applications in the VMware Virtual Appliance Marketplace. Browse and search through the largest library of virtual appliances and applications for cloud computing.