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Jan 22, 2015, 7:35 pm218 ptsGrist
Since 1947, the Bulletin of the Atomic Scientists, a magazine started by the creators of the first atom bomb to inform humanity about threats to its survival, has kept time on its Doomsday Clock — how much time we have left, that is. Here’s how it works: Midnight is the end of homo sapiens sapiens,…
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