Multiverses!

NPR Sci Fri brought this:

http://hw.libsyn.com/p/8/f/a/8fab16c6d6eb895c/scifri20110304-hr1.mp3?sid=2ae3eb746d64a969a9916ef00945bbfb&l_sid=18801&l_eid&l_mid=2473204

The existence of multiple universes. I've always believed this (albeit abstractly and philosophically), and it turns out that some physicists do, too. Brian Greene, professor of Mathematics and Physics at Columbia University, claims to prove it mathematically. The link is for the podcast (31:18 - 43:15); open your mind first, though... string theory and black holes ain't exactly easy stuff...

Incidentally, it's from my absolute favorite publishing house - Knopf!