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author of the popular graphics blog Compound Interest To see more of Brunning’s work, go to compoundchem.com. To see all of C&EN’s Periodic Graphics, visit cenm.ag/periodicgraphics.

Re an article in The Palm Beach Post concerning the road closure at Mar-a-Lago and called them "periodic closures". As someone who works in Palm Beach, I can tell you the closures are not periodic.