Joseph Gayetty is credited for inventing toilet paper in 1857. Unfortunately, his invention failed and did not catch on until ten years later.

Giraffes often sleep for only 20 minutes in any 24 hours. They may sleep up to 2 hours (in spurts – not all at once), but this is rare. They never lie down.

On average, 150 couples get married in Las Vegas each day.

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