2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/110715I review various aspects of the role neutrinos have played in shaping various cosmological observables: the nature of large scale structure, observed fluctuations in the CMB, the nature of matter, and the shape of things to come. (Invited review lecture III International Workshop on NO-VE, Venice, 2006)10 pages. Invited review lecture, International Workshop on NO-VE, Venice, 2006Astrophysicstext