Understanding star formation remains one of astrophysics' great mysteries. Only 1% of the dense molecular gas in galaxies transforms into stars, a phenomenon that scientists are still striving to explain, despite some advancements. As part of the CAFFEINE project, a research team from CEA – Paris-Saclay utilized the ArTéMiS camera on the APEX telescope in Chile to map massive molecular clouds at an unprecedented resolution at submillimeter wavelengths.