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A net directory A net directory, human edited web directory. Submit your website for free. Free submission with reciprocal link. premium submission with featured website listing. Add your url now to anetdir.com
| Antología Científica Recopilación de textos por el Centro Universitario de Ciencias de la Salud de la Universidad de Guadalajara en México
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Averwebs, directorio web Averwebs, directorio web gratuito, sitios web de calidad, alta de webs gratis con enlace recíproco, intercambio de enlaces, editado por humanos, listado de categorías generales de internet.
| BUBL: Catalogue of Internet Resources BUBL uses the Dewey Decimal Classification system as the primary organisation structure for its catalogue of Internet resources.
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Buzzle.com: Science and Technology Offers resources, information, and articles related to science and technology
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Directorio web cola Directorio web gratuito con las webs más refrescantes de internet, alta de webs gratis con enlace recíproco, intercambio de enlaces, editado por humanos, listado de enlaces en categorías generales.
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Eric"s Treasure Troves of Science Comprehensive online encyclopedias of astronomy, math, physics, scientific biographies, and scientific books, with many equations and formulas
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Hypography.com A collection of user-submitted science and technology links
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ideas para regalar Descubre Mandamex, la nueva manera de enviar regalos a Mexico.
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ISI Highly Cited Gives research professionals working in a variety of occupations an invaluable tool to identify individuals, departments and laboratories that have made fundamental contributions to the advancement of science and technology in recent decades.
| La Ventanita.net - Lo imprescindible en la Red en castellano Directorio y buscador con los enlaces que no te puedes perder. Foros para webmasters. El mejor humor. La chica y el chico del día. Utilidades y calculadores, Juegos on-line, Chat, Refranes, adivinanzas, frases célebres y Leyes de Murphy.
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New Scientist"s Keysites Hot internet issues and cool sites
| Portal de Negocios Portal de Negocios en el Ecuador donde encontrara el mejor servicio de venta o compra de sus bienes en Ecuador al alcance de sus necesidades.
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Purely Academic A comprehensive list of links in the areas of humanities, letters, business and economy, engineering, health sciences, and science
| Sci/Tech Web Awards 2001 Scientific American picks its favorite 50 web sites in 10 subject areas including computer science, biology, chemistry, mathematics, and more
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Science, Engineering and Technology pages of Intute Science, Engineering and Technology is a free online service providing you with access to the very best Web resources for education and research, evaluated and ed by a network of subject specialists
| ScienceLink ScienceLink
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Scientific American Editors" Selections Scientific American Editors" Selections
| Seton Hall Page of Science Pointers on the Net Seton Hall Page of Science Pointers on the Net
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Skowronski"s Science Connection Skowronski"s Science Connection
| TechExpo A directory of technology and engineering sciences
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TecnoMarkets Espacio virtual donde los proveedores y compradores podrán contactar para obtener información sobre el sector
| tutoriales gratis Si quiere aprender gratis alguna capacitación en Internet que tenga respaldo profesional, gran asesoría y facilidad de adaptación a sus horarios, visite conocimientosweb.net
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Uzbekistan Science Network Uzbekistan Science Network
| Xplore Science Armchair scientists will find Xplore Science a great resource. You can tour museums, learn about the space shuttle or find out what the Human Genome Project is
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YASD"s Dynamic Earth Dedicated to having fun with science. Features tutorials, articles, demos, games, and more
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