2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/218690Super-AGB stars can conclude their evolution either as neon-oxygen white dwarfs or as electron-capture supernovae. We discuss the possible consequences of the existence of this "double final fate" in the self-enrichment of globular clusters and in the nucleosynthesis process of s-nuclei.4 pages, no figures, Proceedings of the "LII congresso della Societa' Astronomica Italiana", Teramo, May 4-8, 2008, to appear in Mem. S.A.ItSolar and Stellar Astrophysicstext