Tick-tock! Doomsday Clock moves closer to midnight. Here's what we know
The Doomsday Clock is closer to midnight than ever before. What does it mean? How is this determined? Can the clock be wound back?
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Songs about school: 'Tick, tock, goes the clock'
Tick, tock, goes the clock! Tick, tock, goes the clock! It goes on ticking all day long, As we sing our happy song! The little hand points to the hour, It moves very slowly. One, two, three ...