2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47381The present status of Unified Theories is summarized with special emphasis on their possible experimental tests. Outline: i) Unification of couplings; ii) Where can a positive signal come from? iii) HERA anomaly and Unification; iv) Recent progress in model building; v) Flavour and Unification.11 pages, 2 figuresHigh Energy Physics - Phenomenologytext