Dark matter. (CERN)"At first, we expected to find a relation between the LHC's mysterious 'unidentified falling objects' and dark matter. We don't know what dark matter actually is. Those effects show that dark matter is everywhere, but because it barely interacts with ordinary matter, it has remained frustratingly difficult to detect directly. Related: Scientists Witness Lead Literally Turn Into Gold in The Large Hadron Collider"It would meaningfully broaden the landscape of dark matter research.