2019: CERN Pentaquark found (7.3 sigma) https://home.cern/news/news/physics/lhcb-experiment-discovers-new-pentaquark https://home.cern/news/news/physics/lhcb-e

2019: CERN Pentaquark found (7.3 sigma) https://home.cern/news/news/physics/lhcb-experiment-discovers-new-pentaquark https://home.cern/news/news/physics/lhcb-experiment-discover... https://theconversation.com/exotic-particles-containing-five-quarks-discovered-at-the-large-hadron-collider-114211 https://theconversation.com/exotic-particles-containing-five... How many particles can be made of other particles? Stay tuned!