2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/401251. Introduction - 2. Astrophysics and Cosmology - 3. Neutrino Oscillations - 4. Higgs and New Physics Searches - 5. Flavour Physics and CP Violation - 6. QCD - 7. Heavy Ion Collisions - 8. Outlook10 pages, Summary talk given at the IVth Rencontres du Vietnam on "Physics at Extreme Energies", Hanoi, July 2000High Energy Physics - Phenomenologytext