2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/123396Water displays breakdown of the Stokes-Einstein relation at low temperatures. We hypothesize that the breakdown is a result of the structural changes and a sharp rise in dynamic heterogeneities that occurs low T upon crossing the Widom line.5 Pages, 2 FiguresSoft Condensed Mattertext