Scientists move up doomsday
The "doomsday clock" was created by a group of nuclear scientists to show graphically how close they believe the world is to a nuclear holocaust. Last week the monthly Bulletin of the Atomic Scientists, on the advice of 47 scientists (including 18 Nobel prizewinners), set the clock forward one minute, at three minutes before midnight. That is the closest in 30 years.
The Bulletin's doomsday clock was first set at seven minutes before midnight in 1947. The clock has moved as close as two minutes before midnight (in 1953, when the Soviets detonated their first hydrogen bomb) and as...