The "Doomsday Clock" is a metaphor for how close humanity is to self-annihilation.
Nuclear weapons, climate change and biological threats are the biggest concerns.
The Bulletin of the Atomic Scientists set the clock to 85 seconds before midnight, the theoretical point of annihilation.
The new Doomsday Clock time has been set by the Bulletin of the Atomic Scientists. Here’s what it means.
Signs of impending doom are all around, especially as a potential time change for the "Doomsday Clock" looming. See other ...
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