String theory may unify einstein's theory of relativity about gravity, with the other quantum physics that do not comply. In his book, adam writes, string theory doesn't describe a single universe, but instead describes a phenomenally huge number of possible universes,. So what is happening in all those universes? Is my dog there? Am i still wearing this yellow sweater? And does string theory finally reconcile the other theories that don't mesh together? "Is string theory the dongal that all science is waiting for?" you ask.