Science & Health: A new multicenter study in Science Advances reports a “speech clock” that uses machine learning to estimate chronological age from voice patterns and flags a “speech age gap” linked to brain aging, dementia markers, and lifelong social adversity, with data from nearly 3,000 Spanish-speaking participants across Argentina, Chile, Colombia, Mexico, and Peru. Public Safety & Governance: Colombia’s government is drafting changes to the national protest protocol, aiming to let police intervene sooner when firearms, explosives, or violence appear, while keeping a presumption of peaceful demonstrations and opening the draft for public comments until Oct. 4. Diplomacy: Colombia will open its embassy in Jerusalem in two weeks, becoming the 10th country with a mission there, as relations with Israel continue to be rebuilt under President Abelardo de la Espriella. Security & Migration: The U.S. State Department says it has revoked more than 250,000 visas since Trump took office, including thousands tied to “birth tourism,” while OFAC sanctioned a financial network linked to Tren de Aragua. Travel & Culture: Lonely Planet spotlights five road trips across Colombia, and Bogotá’s BibloRed anniversary coverage highlights ongoing local reading initiatives.