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DesertUSA is a comprehensive resource covering the North American deserts, their history, culture and biodiversity.

Edge species are truly one of a kind. If they disappear there will be nothing similar left on the planet. Two-thirds are receiving little or no conser...

A collection of the best online videos. Our editors make sure clips added are family friendly.

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Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, ...

Enchanted Learning Software creates children

ARKive - The ultimate multimedia guide to the world

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

Softschools.com provides free math worksheets and games and phonics worksheets and phonics games which includes counting, addition, subtraction, multi...

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictiona...