A Kids Heart akidsheart.com
A play and learn site with free resources for kids and their teachers.
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AFT - American Federation of Teachers www.aft.org
Education, health care, and public service.
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AllExperts - Questions & Answers www.allexperts.com
Allexperts is the largest and oldest free Q&A service on the Internet.
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American History from AmericanHeritage.com www.americanheritage.com
Welcome to the new AmericanHeritage.com, the definitive web site for American history.
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American Museum of Natural History www.amnh.org
Scientific research and education institution, with collections of more than 32 million specimens and artifacts.
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American Psychological Association www.apa.org
The American Psychological Association (APA) is a scientific and professional organization…
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American Scientist Online www.americanscientist.org
An illustrated bimonthly magazine of science and technology published by Sigma Xi, the Scientific Research Society.
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Archaeology Magazine www.archaeology.org
Daily archaeological news, plus abstracts and full-length articles from the current issue…
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ArtLex Art Dictionary www.artlex.com
Great reference material in art, art history, art criticism, aesthetics, and art education.
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Astronomy.com - Interactive Star Charts www.astronomy.com
Cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang…
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