OKay, my head is still spinning a little from this and I think I'm really going to have to go back and read Flatland (http://www.alcyone.com/max/lit/flatland/) again to really be able to wrap my mind around (heh) it, but I suspect that while it may have been wild speculation that allowed them to reach these conclusions, that they may be exactly right.

It really explains a great deal about subatomic particle behaviours.

Dark matter highlights extra dimensions