“Our world may have actually been born from a preceding universe that contracted under its own weight until it was squeezed into a tiny space before ‘bouncing’ out and beginning to re-expand, thus becoming the expanding universe that we observe around us.” In other words, we may be in a rebound relationship with the matter around us. - https://www.nytimes.com/2016/03/23/books/review-seven-brief-lessons-on-physics-is-long-on-knowledge.html?_r=0