What, no Nietzsche?

This is old news, but given the title of my blog I feel obliged to link to the May Scientific American article about the existence of parallel universes and, therefore, eternal recurrence (the article Gerald T. was referencing in his strange and funny guestbook entry). The article outlines four different levels of parallel universes, with the Level I multiverse being the one that could most directly keep Zarathustra up nights. No Nietzsche in the article, but it’s great anyway if you like cosmology.