Technical but good. The Dog Genome Project. The University of California at Berkeley. A fabulous site that includes the Encyclopedia online, the Merriam-Webster Collegiate Dictionary plus links to more resources. Encarta Microsoft's abridged encyclopedia.
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National Geographic Wide variety of exhibits, photos, articles for adults and kids. The Smithsonian A collection of museums, galleries plus the National Zoo. This national trust houses more than 150 million items. Educational site with links and information. Photos and detailed information on breed standards, event calendars, etc.