Doomsday Clock ticks 4 seconds closer to midnight
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The human race is at its closest point yet to destroying itself, according to a reset of the ominous but symbolic "Doomsday Clock."
What is the Doomsday Clock? Atomic scientists say we're closer to midnight than ever before - It is now 85 seconds to midnight
USA TODAY asked Alexandra Bell, the president and CEO of the Bulletin of the Atomic Scientists, a few questions about the Doomsday Clock.
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