I would like to introduce you to your zombie twin. Far from the crass Hollywood representations of zombies, your twin looks and behaves precisely as you do. In fact, it is an exact replica of you down to the finest subatomic detail and, from the outside at least, is utterly indistinguishable from you.
Right now your zombie twin is sitting down and reading this very article. All this is taking place in another zombie universe, a possible world that is an exact replica of this universe, also do...
