The Enemy of All Mankind

Several years ago, I read Steven Johnson’s The Ghost Map: The Story of London’s Most Terrifying Epidemic—And How It Changed Science, Cities, and the Modern World. I never reviewed it here on the Margins, though a large sticky note on the inside cover listing a number of thought-provoking questions suggests that I intended to.* As…

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Rafaela Herrera Takes on the British Fleet

In my experience, once a subject has grabbed me by the throat and said “Pay attention to me, dang it!” it never really goes away. I continue to stumble over new stories related to the topic, or at least interesting bits long after I’ve written a blog post or article or book on the idea.…

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A Year in Review: 1519

Back in May, announcements of museum exhibitions celebrating the work of Leonardo da Vinci began to appear in the various places where I hang out online, triggered by the 500th anniversary of his death.(1) They made me wonder what else of note happened in 1519.(2) It turned out that quite a lot was going on.…

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