2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/155667GGR News: GGR program at the APS meeting in St. Louis we hear that... by David Garfinkle 100 years ago, by David Garfinkle Research Briefs: The Torsion Pendulum's Contribution to Dark Energy, by Bill Hamilton Conference Reports: 10th Capra Meeting on Radiation Reaction, by Carlos Sopuerta Quantum Gravity in the Southern Cone IV, by Rafael A. Porto14 pages, latexGeneral Relativity and Quantum CosmologyMatters of Gravity, The Newsletter of the Topical Group in Gravitation of the American Physical Society, Volume 31, Winter 2008text