By studying maps of the cosmic microwave background, the first light that traversed the universe after the Big Bang, scientists may be able to find evidence of quantum gravity, suggest physicists Franck Wilczek of the Massachusetts Institute of Technology and Lawrence Krauss of Arizona State University. Researchers have long been trying to verify the existence of quantum gravity to link the theories of gravity and quantum mechanics, and the physicists think looking at the maps of the nascent universe may provide that answer.

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