Dear Sofia,

Every week my column gets printed on paper. Sometimes I use paper to dry my paws. Or clean up after I use the litterbox.

I asked my friend Xiuyu Wang who invented paper—and why. He studies Chinese history at Washington State University.

He told me that paper as we know it was invented in ancient China. Paper made it easier to wrap things up and write things down.

“Papermaking is one of the most significant inventions because paper does so many things,” Wang said. “People kept refining it and making different kinds of paper.”

The earliest paper fragments we have are … » More …

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