TOP RANKED RESOURCES: Encyclopedia.com - provides more than 17,000 short articles from the Concise Columbia Electronic Encylopedia, Third Edition. Columbia Encyclopedia - Containing nearly 51,000 entries (marshalling six and one-half million words on a vast range of topics), and with more than 80,000 hypertext cross-references, the current Sixth Edition is among the most complete and up-to-date encyclopedias ever produced. Concise Britannica Encyclopedia - A one-volume encyclopedia that includes 25,000 short entries. How Stuff Works - series of articles that explore the workings of electronics, computers, autos, finances, health, and scientific and social phenomena. MSN Encarta Online - Search more than 4,500 articles on the world of knowledge - from aardvark to Zambia. Wikipedia - Free, open content, community-built encyclopedia with thousands of articles on topics from A to Z. Available in dozens of languages. MORE >>