If gravity is a fundamental force, then it has to be explained by an expanded version of general relativity, a more complete, a more fundamental theo… - Laura Mersini-Houghton

" "

If gravity is a fundamental force, then it has to be explained by an expanded version of general relativity, a more complete, a more fundamental theory. Whether that is quantum gravity of something more radical that requires a paradigm shift like, for instance, our research in multiverse theory, nobody knows at the moment.