CERN is the world’s largest research center, founded in Geneva by 12 European countries in 1954 as the European Center for Nuclear Research (https://home.cern). At CERN, research is carried out by accelerating and colliding charged particle beams and collecting and analyzing the resulting data through large-scale detectors, the formation and structure of the universe, the interactions of fundamental particles, the standard model and beyond, the mass gain mechanism, neutrino and boson research, supersymmetry, dark matter. Countries can become members of CERN. As of 2024, 23 countries are full members of CERN, 3 countries are associate members aiming for full membership, 8 countries, including Turkey, are associate members, and 6 countries and organizations are observer members. Approximately 13,000 researchers from 110 countries are involved in studies at CERN.