You don't exist in an infinite number of places, say scientists

If you've read about how modern cosmology may imply that, in an infinite universe, the existence of planets and the life forms that live on them must be repeated an infinite number of times, you may have been just a little bit skeptical. So are a couple scientists from Spain, who have posted a paper at arXiv.org criticizing the concept of the infinite repetition of histories in space, an idea closely related to the concepts of "alternate histories," "parallel universes," and the "many worlds interpretation," among others.