Searching. See also: Aeiwi - A keyword-driven directory includes a search box and submission form to categorized search engines, directories, and a select collection of web sites.
dmoz.org/Computers/Internet/Searching/Directories

List of Major Web Directories and reviewed web guides. Upstart . Uncover the Net - Newer directory which has more link popularity than all but a couple
www.seobook.com/archives/000166.shtml

Science: dir.yahoo.com/Science/Web_Directories

Amfibi Web Search
General search engine which includes its own index of websites, a directory (provided by the Open Directory Project) and a meta search feature for searching multiple search engine at once.