Our 10 young researchers in the “Cosmic Rays” group participated in the 12th International Cosmic Day. This was an international day dedicated to cosmic particles! Our students took part in an online English-language conference with students from the Lycée Français Molière in Madrid, who are also studying cosmic particles, but with a different method than ours. During the meeting, each group presented their lycée and their Science Club, the experiments they were carrying out, the results, and the various projects they were preparing… An enriching experience that gave our group new ideas! “Long live cosmic day!