2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/175579An overview of recent theoretical progress on Non-Relativistic QCD and related effective theories is provided.Plenary talk at the 4th International Conference on Quarks and Nuclear Physics (QNP06), 5-10 June 2006, Madrid, Spain; 6 pages, 1 figure, EPJ style. References added. Journal versionNuclear TheoryHigh Energy Physics - LatticeHigh Energy Physics - Phenomenologytext