I'm a physics undergraduate (2nd year), and I'm just learning the basics of Quantum Mechanics. As you would expect, I've been fascinated by the elegance and.....paradoxes involved. My question here is about the phenomenon of entanglement. I know the mathematics of it, but when I asked my professor: what does entanglement actually mean?, he said that no one knows physically, all we can say is that QM is a non-local theory. The question I pose here is this: Quantum mechanics cannot tell us anymore about this phenomenon, what does String Theory (or any other scientific hypothesis) have to say about it? Does string theory offer some inside into this strange phenomenon?