Well know about Wikipedia.Its having the good staff for very small topic also.It is the best solution for many doubts.It gives information for all topics like movies, education, politics, serials every information is available from pin to pin.
Some times it describes the topics with small pictures.
I am studying B.pharmacy so I have to write more work sheets about some particular animals then this site helps me a lot because that information cannot available in text books some times so, then we have to search it from Wikipedia only.
This site is very easy to use and gives good information suppose if we take some great personality like mother Theresa then this site provide each and every thing about that great personality.
It provide the contents about the topic so, you can directly search from that.Its also provide referential links also.
It’s available for free of cost.The information is genuine, The website design and organization of information is very good.Usage is also very easy no terms and condition to use.
Really it provide good knowledge regarding the topic.