2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/114361I review current status of lattice QCD calculations of the deconfining transition at finite temperature and quarkonia spectral functions.Invited talk at 22nd Winter Workshop on Nuclear Dynamics (2006), La Jolla, California, March 11-18, 2006, LaTeX, 8 pages uses lajolla2006.styNuclear Theorytext