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Explore Wonders | Find: 奥格尔绍普大学学位证办理[办证网:ｂｚｗ９８５.ｃｏｍ]-奥格尔绍普大学学位证办理3M[办证网:ｚｊｗ２１１.ｃｏｍ]-运城奥格尔绍普大学学位证办理-哪里办奥格尔绍普大学学位证办理fm | Wonderopolis

Wonderopolis

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Who Invented Sticky Notes?

We can’t remember what today’s Wonder of the Day is about. We should’ve written ourselves a note!

#473

Who Invented Sticky Notes?
Why Can You Only Hear One Radio Station at a Time?

Don’t turn that dial! Today’s Wonder of the Day is coming right up!

#1389

Why Can You Only Hear One Radio Station at a Time?
Do All Jockeys Ride Horses?

A horse may be a horse, of course, but today’s Wonder of the Day will take a look at a jockey who spins instead of rides!

#320

Do All Jockeys Ride Horses?