Some Monarchs Endure, but Monarchies Are in Decline; While many countries maintain a hereditary head of state, the share of the world defined as a true monarchy keeps withering awa... by Zumbrun, Josh

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Both Sickness and Health, It Turns Out, Are Contagious; Just like viruses, health fads such as Peloton, Pilates and Zumba spread rapidly and then fade by Zumbrun, Josh

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Russian Economic Optimism Is Based on Suspect Data; Western skepticism over Moscow's claims on Ukraine is mostly absent regarding Russia's economy by Zumbrun, Josh

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Children Can Cost Parents a Fortune or Not So Much; Estimates of child-rearing expenses mask disparities in housing and caregiving arrangements by Zumbrun, Josh

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Global Population Is About to Hit 8 Billion—and Some Argue It Is Near Its Peak; Demographers' forecasts vary and are based on assumptions such as how well-educated and healthy peop... by Zumbrun, Josh

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Why Crypto's Market Cap Never Booms, or Busts, as Much as You Think; Cryptocurrency market-capitalization measures are distorted by misleading trades, double counting and lost coin... by Zumbrun, Josh

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The Science Behind Who Airlines Bump From Overbooked Flights—and How to Exploit It; An economist's playful suggestion helped prompt those airline offers aimed at persuading you to... by Zumbrun, Josh

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In Baseball, Sometimes a Stat's Value Lies in the Passion It Stokes; The easily understood 'exit velocity' metric helps drive fans' conversations, even if it isn't always a useful... by Zumbrun, Josh

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Tracking Abortion in the U.S. Is About to Get Murkier; Supreme Court decision overturning Roe v. Wade makes possible a rise in 'self-managed' abortions, for which data are harder t... by Zumbrun, Josh

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How America's Summer Vacation Came Back Stronger Than Ever; Data show Juneteenth and workcations encourage more-frequent and longer family getaways, even as business travel remains... by Zumbrun, Josh

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The Strange Art of Asking People How Much Inflation They Expect; Replies show fondness for round numbers and partisanship, and can sway Fed interest-rate moves by Zumbrun, Josh

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The Tiny Loophole That Understates the Trade Deficit With China; Official U.S. statistics fail to capture the surging imports of packages that are exempt from tariffs by Zumbrun, Josh

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How the Mathematics of Explosions Explains Phantom Traffic Jams; To prevent such 'jamitons,' LED variable-speed-limit signs help traffic move faster by Zumbrun, Josh

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Refugee Crisis Aggravates Ukraine's Demographic Collapse; Piecing together disparate data suggests a staggering loss of population that imperils the country's postwar recovery by Zumbrun, Josh

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Why a Massive New Covid Wave Has Escaped the Data; Home testing and curbed state tracking efforts hold down closely watched infection totals, making it hard to shape coronavirus st... by Zumbrun, Josh

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It's Too Late to Protect Your Genetic Privacy. The Math Explaining Why. 'CentiMorgans' measure how much DNA we share with others, often unlocking long-unsolved mysteries by Zumbrun, Josh

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How a Simple Ratio Came to Influence Military Strategy; Russia may have placed too much faith in 'force ratios' in its invasion of Ukraine by Zumbrun, Josh

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U.S. Accuses China of Lax Intellectual Property Protection; In annual report, Biden administration says Beijing still needs to make a range of fundamental changes by Zumbrun, Josh

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Supply-Chain Woes Won't Be Solved by 'Reshoring,' Report Says; Diversifying sourcing is a better solution, according to IMF analysis by Zumbrun, Josh

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U.S. Trade Deficit Narrowed Slightly in February; Imports and exports both rose on cusp of war in Ukraine by Zumbrun, Josh

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