Colombia’s former President Juan Manuel Santos, chair of The Elders, and Robert Socolow, professor emeritus in the Department of Mechanical and Aerospace Engineering at Princeton University, reveal the location of the minute hand on its Doomsday Clock, which according to the Bulletin of the Atomic Scientists, indicates what world developments mean for the perceived likelihood of nuclear catastrophe, during a press conference held by U.S.-based Bulletin of Atomic Scientists at the U.S. Institute of Peace in Washington, U.S., January 28, 2025. REUTERS/Kevin Lamarque