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Why Do We Change the Clocks Twice a Year?
Not quite ready to call it a night? Visit Wonderopolis for a time warp as we turn back the hands of time.
Why Do We Change the Clocks Twice a Year?
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How Do Police Know How Fast You’re Going?
Zoom! You won’t believe how quickly today’s Wonder of the Day will fly by!
How Do Police Know How Fast You’re Going?