well, i did not exclude nothing "material" ! i pointed that (all right, some instances of) synchronicity could be explained differently and, i think, simplier.

then again, "butterfly effect" can explain lots of it simplier. since you, even your thoughts affect enviroment around you and affected by enviroment (in unmeaserable way - i mean we do not know how to measure it, cause every significant step is too small) we may look at world as all connecting network where clots of nodes represent small physical entities etc. somewhat 'wolfram-like'.

but if we go to "generally unexplained", let us also include situations when you "feel somebody is watching you, turn around and bingo". btw, yesterday friend of mine shared some amasing stories about prophetic dreams, hard to discard the evidence.