There is a seven letter word in the English language that contains ten words without rearranging any of its letters, "therein": the, there, he, in, rein, her, here, ere, therein, herein.

Carolyn Shoemaker, famous astronomer, has discovered 32 comets and approximately 300 asteroids.

In the U.S. there is, on average, three sex change operations per day.

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