1. We are all aware of the Oscillating Universe Theory. If you're not, start here: http://www.universetoday.com/38195/oscillating-universe-theory/ 2. A recent study has suggested that Black holes could turn into white holes instantly upon collapse. So where are they, you ask? You forgot about time dilation. But they're coming, don't worry. http://www.nature.com/news/quantum-bounce-could-make-black-holes-explode-1.15573 We know that time slows down in the proximity of great masses that have extreme curving effects on space-time. Effectively, from the point of view of someone falling into a