In "The Boom in Female Authorship," NPR's Planet Money analyzes the historical and logistical factors that have led to women writing more than half of books published each year.
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"Discover the Medieval illuminated manuscript Les Très Riches Heures du Duc de Berry, 'the world's most beautiful calendar' (1416)." (via Open Culture)
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Mental Floss reminds us of "13 Mnemonic Sentences to Boost Your General Knowledge."
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Merriam-Webster offers "10 Words for Other People's Children."