"How well can you complete this fill-in-the-blank grammar quiz?" Mental Floss challenged.
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CrimeReads investigated "diamonds in literature: the ultimate Macguffin."
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"A long-lost Elie Wiesel poem--a serendipitous literary finding." (via the Jerusalem Post)
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Author Peter Ho Davies recommended his "top 10 books about the unknowable" for the Guardian.
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"Why do books have prices printed on them?" NPR's Marketplace had the answer.
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"A 16th-century astronomy book featured 'analog computers' to calculate the shape of the moon, the position of the sun, and more," Open Culture noted.