2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/120868The properties of strangelets are reviewed and two experiments searching for them in cosmic rays are described. The prospects for strangelets as ultra-high energy cosmic rays beyond the classical GZK-cutoff are discussed.10 pages. Invited talk at 11th Marcel Grossmann Meeting, Berlin, July 2006AstrophysicsHigh Energy Physics - PhenomenologyNuclear Theorytext