Aurora Illumination

The Northern Lights have been particularly amazing this fall in arctic areas, to the extent that satellites capturing nighttime imagery actually detected the surface of the Earth—illuminated by the intense aurora. Here is that remarkable imagery, via NASA Visible Earth… You can actually spot the topographic relief, particularly in southern Alaska and Yukon Territory (one … Continue reading Aurora Illumination


This map uses the CMYK subtractive blending method to encode the rates of Smoking, Obesity, and Excessive Drinking into a single map. The source data tables come from the County Health Rankings & Roadmaps program and is available in geographic form here. It’s a lot to chew on. I’ll discuss below… The topmost graphic is … Continue reading CMYK Vice