As bizarre as this model sounds, it has some reasonable observational support. (discovermagazine.com)
But the problems in obtaining such observational support were daunting. (discovermagazine.com)
While Levi seeks observational support for cosmic collisions, another string theorist — Laura Mersini - Houghton of the University of North Carolina at Chapel Hill — is attempting to study mathematically how neighboring universes would interact. (discovermagazine.com)