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A participant holds open the last page of a presentation on July 4, 2012 during a seminar on 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) in Meyrin, near Geneva. Physicists on July 4 said they had found a new sub-atomic particle consistent with the Higgs boson which is believed to confer mass.
Photograph by: AFP PHOTO, POOL. Picture found on Ottawacitizen.com.