This isn't a new result. It's just a poorly-explained pop-science review article on MOND: <a href="http://en.wikipedia.org/wiki/MOND" rel="nofollow">http://en.wikipedia.org/wiki/MOND</a><p>It's one of those things that looks just awful aesthetically, but explains a few things (galactic-scale mechanics in this case) for which we don't currently have good answers. Wikipedia is a better source. This article is mostly fluff.