What happened shortly after the Big Bang? Scientists around the world are investigating this question, for example at the CERN nuclear research center in Geneva. Physicists at the University of Münster are also participating in this research: they helped set up the ALICE experiment at the Large Hadron Collider (LHC) and are evaluating the measurement data. On March 6 (Friday), students aged 15 and older will have the opportunity to immerse themselves in the world of the smallest particles.