When Were Beauty Spots in Fashion?
When Were Beauty Spots in Fashion? False beauty marks or beauty spots are sometimes applied to the face as a form of make-up. Beauty marks were particularly highly...
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What Is Tarmac?
What Is Tarmac? Tarmac is a hard black material used for roads, parade grounds or anywhere that a hard, even and durable surface is needed. It is a mixture of tar...
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When Was the Pencil Invented?
When Was the Pencil Invented? Did you know that modern pencils owe it all to an ancient Roman writing instrument called a stylus? Scribes used this thin metal rod to...
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What Causes Black and Blue Marks?
What Causes Black and Blue Marks? If you fall or receive a sharp blow, you may get a painful bump that soon turns black and blue. When you bruise yourself, tiny blood...
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How Is Coal Formed?
How Is Coal Formed? Coal comes from plants that have been buried in the earth so long, they turned hard and black. Millions of years ago, much of the earth was swampy...
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