British physicist Peter Higgs (R) arrive

British physicist Peter Higgs (R) arrives (L) on July 4, 2012 for the opening of a seminar to deliver the latest update in the 50-year bid to explain a riddle of fundamental matter in the search for a particle called the Higgs boson at the European Organization for Nuclear Research (CERN) CERN in Meyrin, near Geneva. AFP PHOTO / FABRICE COFFRINIFABRICE COFFRINI/AFP/GettyImages