Each search engine uses a different method of collecting information about Internet sites, and each uses a different schedule for re-indexing sites, so no two results will be exactly the same. If you have a complex search, be sure to read the help screens available from each individual site. These services are like Yellow Pages for the Internet. Both include a search engine for resources at their site only. Specialized Search Tools Deja News Find subjects that have been discussed in Usenet news discussion groups.
Switchboard Find phone numbers for people and businesses.
Find e-mail addresses for people around the world. The Biomedical and Medical Center Libraries maintain several pages of subject-oriented Web sites. These make good starting points for exploring biomedical resources on the Internet. Biology Resources by Subject Lists sites in some major areas of biology, prepared by the BML Biology Liaison librarian. HealthWeb Highly selective list, similar to BioSites above, from the libraries of the Big Ten universities of the midwest, plus the University of Chicago.