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A group of scientists are meeting in Washington DC to answer an age-old question: when will the world come to an end?

The Bulletin of the Atomic Scientists has been monitoring events since after the Second World War to predict the likelihood of Armageddon.

Now, the University of Chicago's so-called "Doomsday Clock", a symbolic time piece that tells us how close humanity is to global catastrophe, might be reset pending this week's meeting.

Gerald Tan reports.

Source: Al Jazeera