The great thing about dark matter is that every one can have an opinion
, because it is still very mysterious.
Netwolf I like the multi dimentional explanation (which is along the lines I suggested in my "go" at the multi dimention thing put forward in Elegant Universe) finding other dimentions within matter is different to "other parrallel Universes" certainly sounds more realistic than the direction suggested in the Elegant Universe... which makes out a proposition more like one would expect in a Star Trek or Dr Who show, presumably to entertain rather than inform.
alex