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The Doomsday Clock, a symbolic measure of humanity's proximity to catastrophic destruction, has been set at 89 seconds to midnight—the closest it has ever been, symbolizing humanity's shortest margin from potential catastrophe since the clock's creation.

The Doomsday Clock indicates only 89 seconds to midnight, according to which we have never been so close to self-destruction. The Doomsday Clock, developed by physicists after World War II, symbolizes humanity's nearness to total annihilation.