Many of you may already know about this site, but for the rest, this site can help you find more scientific information on questions that you may have:
http://scholar.google.co.za/schhp?hl=en&tab=ws
General Googling:
To get a definition of something or some word (eg: demersal ) - Type into the search window -
Define: demersal
To limit your search results certain filetypes (eg: PDF files on demersal) - Type into the search window -
olfactory filetypedf
If you want to limit the search results to a specific phrase - Type in the search window:
"top water bass lures
"
To convert units quickly (eg: 50pounds to kilogram) - Type in -
50 pounds in kilograms or
50 lb in kg
These are all little tricks that I generally use when looking up information! It is mostly common knowledge, but, are not often used!