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Quora is a continually improving collection of questions and answers created, edited, and organized by everyone who uses it.

Chemical Forums - Index

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

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

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AweSci.com is a one-man science magazine where you can learn one new thing everyday - no more, no less.

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

The Master

Janice VanCleave's Play and Learn About Science