What are the 5 best educational websites for research that are best to gain knowledge from.?

Question

Any source even if not quite sure this is what I am looking for......

Answer 1

http://google.com if you know how to use it properly
http://wikipedia.org for general information
http://www.bbc.co.uk for news from non-American standpoint
http://www.webmd.com for medical information
http://www.beliefnet.com for spiritual information
http://www.edmunds.com for automobile information
http://www.tomshardware.com for computer parts information
http://www.fantastic-voyage.net for info on health/the future