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The biggest resource on the internet about the history and biographies of most famous scientists and inventors from all over the world, and their inventions. A comprehensive list of the names of famous scientists.

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

Princeton University is a vibrant community of scholarship and learning that stands in the nation's service and in the service of all nations.

San Diego Miramar College is a member college of the San Diego Community College District

Encyclopedia.com – Online dictionary and encyclopedia with pictures, facts, and videos. Get information and homework help with millions of articles in our FREE, online library.

YouTube is a place to discover, watch, upload and share videos.

Answers.com: Wiki Q&A combined with free online dictionary, thesaurus, and encyclopedias. Ask questions, get answers.

Academia.edu helps academics follow the latest research.

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...