Search Servers:

Infoseek
Excite
KartOO visual meta search engine
AltaVista
HOTBOT
Google
The Little Aussie Web Wombat Australian Search Engine! - specifically for Australian Web Sites
What'sHot Broker Search sites others have found good
WebCrawler - smaller than some of the more well-known web search engines, but it has the advantages of being reasonably fast and more up-to-date
Lycos is a more sophisticated database than Webcrawler with millions of entries
Magellan - a web index with ratings & reviews
InfoSeek - a commercial full text search service that is very accurate - covers the web, newsgroups, magazines, databases, etc.
An excellent FTP search Engine
The University of Melbourne's Network Software archive
Finding Internet Resources by Anonymous FTP
Finding Email Addresses
Russia on the Net
 
.

NewsGroups:

Bionet newsgroups:

bionet.biology.computational
bionet.journals.content
bionet.molbio.embldatabank
bionet.software
bionet.software.sources
bionet.software.www
bionet.structural-nmr
bionet.xtallography

Science newsgroups:

sci.answers
sci.chem
sci.polymers
DejaNews Research Service - a search engine for Usenet newsgroups.

Mailing lists:

Conferences