Mental Floss

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In time for National Library Week 2019, the American Library Association has put together a list of classic books that have been the target of censorship.

Michele Debczak




















The slang of WWI is still being used today.

Though it was more than 100 years ago—on April 6, 1917—that the United States entered the First World War, its effect on our language continues.

Paul Anthony Jones




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Cats are undeniably smart, but do they have an understanding of their own identity? Researchers in Tokyo may have found the answer.

Jake Rossen