“The fact that the clock’s hands aren’t moving isn’t good news. It’s an expression of grave concern about how the global situation remains largely the same. The last time the clock was this close to midnight was in 1983 — the height of the Cold War.” In The New Yorker, Lawrence M. Krauss checks the time on the Doomsday Clock, designed to give us “an easy way to gauge the likelihood that our species will destroy itself.”