* Britannica Internet Guide

Click on Advanced Search, enter search terms, click on Web Sites, then click on GO. Searches over 100,000 sites.

Librarians' Index to the Internet

An excellent searchable directory of over 10,000 major web sites chosen by librarians.

Google

Largest search engine indexing over 8 billion web pages. Has special search areas for images and news.

Scirus

A science-specific search engine that searches over 200 million science-specific Web pages.

Google Scholar

Specialized Google service covering peer-reviewed papers, theses and other scholarly literature.

Using Google

Some tips on using Google's search techniques to increase your chances of find reliable, authoritative information.

Other popular web search engines include AltaVista, HotBot, MSN Search, AllTheWeb and Teoma. Although none of these is as large as Google, they may index web pages that Google does not or have specialized search features that Google does not have.

Evaluating Web Resources. Also see the library's web page with links to information about evaluating web resources to help you determine they contain reliable and authoritative information.