两分半钟 Doomsday Clock ticks closest to midnight since 1953 doomsday clock up right the recent conclusion The New York Times lowercases the word "earth" The New York Times lowercases the word "earth" two and a half minutes last year the “doomsday clock” told The New York Times inching towards midnight “Doomsday clock moves closer to midnight,” moved closer to midnight prepares to go to war moves the Doomsday Clock 30 seconds closer to midnight recently moved the “doomsday clock” two-and-a-half-minutes to midnight rapidly advancing the end of the world The New York Times