2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/74504This is an expository paper on rationally connected varieties. The aim is to provide an introduction to the subject, as well as to discuss a recent result by T. Graber, J. Harris and J. Starr. The paper is based on the talk I gave at the 2004 Summer Research Conference on Algebraic Geometry at Snowbird.19 pages, 3 figures, lecture notes from the 2004 Summer Research Conference on Algebraic Geometry at SnowbirdAlgebraic Geometrytext