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Know Where to Search, No Where to Hide

We all have our favorite search engines tips, and use Google, MSN,  and Yahoo! – but there are times when these search engines don't have the information you're looking for, so you'll need to venture down the road to know where! 

 
 
STANDARD SEARCH 
About – Comminity Help Search
 
Accoona – artificial intelligence for “better” searches
 
AddAll – book search
 
AltaVista
 
Answers – searches for answers (aka Guru)
 
AOL
 
Ask Jeeves
 
BookFinder – Book Search
 
Brainboost – searches for answers using “natural” language
 
dmoz – Open Directory Project (ODP)
 
Exalead – still in Beta
 
Excite 
 
Kazazz! – Combines Search Engine and Social Networking
 
Lycos
 
Microsoft Search Result Clustering – still a research project, uses "clustering" to group results.
 
Snap

METASEARCH - Metasearch engines gather information from many other search engines and provide consolidated search results. Most metasearch engines combine the results from: Ask Jeeves, Google, MSN, & Yahoo! and more. 
Clusty – uses "clustering" to group results
 
Dog Pile
 
gada.be – My new favorite
 
Gigablast
 
Kartoo
 
MyriadSearch
 
QKsearch
 
Walhello
 
WebCrawler
 
 
 GENERAL RESEARCH
 
 
 
 
 
ACADEMIC & SCIENTIFIC RESEARCH
ArXiv – Scientific Journal Archive
 
CiteSeer – Scientific Literature Library 
 
Google Scholar Search
 
Scirus – Scientific Information
 
SmealSearch – Academic Business Literature
  
NEWS
All Headline News
 
FeedsFarm 
 
Plazoo – still in Beta 
  
BLOGS
Bloglines
 

Google Blog Search
 
Pubsub
 
NEW! Talk Digger
 
Technorati
 

NOTE: I didn’t include many search engines like A9, AllTheWeb, Teoma etc because they have too close ties to commercial entities!