Nice and neat idea.”After all the particles and anti-particles that could find each other collided and eliminated each other, the universe was left with some extra neutrons and a corresponding number of extra anti-dark matter particles.”With Spin Foams and Hologram inscribed event horizons, this is likely more a handy mnemonic, something like “The Left Hand Rule for Motors”, than an illumination of the Universe’s fundamental truths. http://www.wired.com/wiredscience/2010/12/x-particle/