2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/36174I review some recent progress in String/M-theoryThis is the text of my plenary lecture, aimed at a non-expert audience, given at GR15, Pune, India, December 1997. 22 pages Latex file with two figures and using crckapb.sty style fileGeneral Relativity and Quantum CosmologyHigh Energy Physics - Theorytext