Betting on the multiverse

Physicist Brian Greene reveals his favourite parallel universes, why we might be living in a computer simulation and the questions that keep him awake

URL: http://feeds.newscientist.com/c/749/f/10898/s/1290521b/l/0L0Snewscientist0N0Carticle0Cmg20A9279860B50A0A0Ebestselling0Estring0Etheorist0Ebetting0Eon0Ethe0Emultiverse0Bhtml0DDCMP0FOTC0Erss0Gnsref0Fspace/story01.htm