Doomsday Clock ticks to 85 seconds until midnight
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The Bulletin of the Atomic Scientists will determine if the "Doomsday Clock" needs to be adjusted at 10 a.m. ET on Jan. 27.
Experts have warned that the world is the closest it has ever been to disaster.
Created in 1947 by atomic scientists, the Doomsday Clock represents how close humanity may be to destruction. On Tuesday, scientists set a new time, arguing that countries are failing to heed their dire warnings.
USA TODAY asked Alexandra Bell, the president and CEO of the Bulletin of the Atomic Scientists, a few questions about the Doomsday Clock.