Carl V. Lewis

Others may hate, but I’m a big fan of using bubbles to display data. When implemented correctly (i.e. scaled in terms of area instead of diameter), bubbles can be an aesthetically appealing and concise way to represent the value of data points in an inherently visual format. Bubbles are even more useful when they include [...]

A quick refresher from my data visualization professor here at Columbia a couple of weeks ago reminded me why I was forced to spend all those grueling hours calculating standard deviation back in high school. See, when you’re using a data set to tell a story, the first step is to understand what that data [...]

With the Pulitzer Price announcements coming up later this afternoon, you’d think I’d be writing about whose up for the “Best Deadline Reporting” or “Best Public Service Journalism” prizes. But instead I want to talk about a different media award doled out during the past week: BostonGlobe.com’s designation as the “world’s best designed website” by [...]

What’s making the South –– the region CDC Dr. William Dietz has dubbed “the heart disease and stroke belt” –– more chubby than the rest of the country? Here are five possible explanations.