Cosmos: What if our universe isn’t unique?

Loretic physicists are made of quarks and bosons. When they look at the sky, they see billions of equations. Some brains were struck by the idea that our universe wasn’t the only one populating the cosmos, that there would be billions of them, intertwined or not. Until now, this multiverse has remained purely theoretical. A few years ago, quantum cosmologist Laura Mersini-Houghton of the University of North Carolina said she unearthed the proof. She explains her intellectual journey in Before the Big Bang (Body Head).

According to the official story, our universe was born from the big bang of a tiny, hot, compressed pre-universe where there was no time, no light, no matter. Thus galaxies and stars appeared, t…