The String Theory

In class last week we learned a little about the string theory. I thought it was rather interesting so i decided to do a little research on it. The string theory combines quantum theory and general relativity and is said to be the theory that gives the correct description for nature. Supposedly its "self-contained mathematical model that describes all fundamental forces and forms of matter". But many scientist argue that the string theory is false. Its hard to believe that one mathematical model can be used for everything. I guess simplicity in nature is hard to believe. Not saying that the string theory is simple, oh no definitely not (I still don't really understand it). I mean as in this one theory being the answer to everything is a little hard to believe. The String theory is so vast and involves so many things, it really just takes your mind through a roller coster its like an attack of information.

Is the universe based on vibrating string?
 http://curiosity.discovery.com/question/explanation-string-theory