The world’s population in 2015 (full screen version) Full screen version The data for the globe comes from SEDAC, NASA‘s Socioeconomic Data and Applications Center. Each spike represents the number of people living at that location. The populations are sampled at specific points,...
Highway networks are often compared to the human circulatory system, an analogy that works on many levels. The hierarchical structure of highways, streets, and local roads matches that of our body’s arteries, veins, arterioles, venules, and capillaries. And like...
Which U.S. housing market is the most expensive? It seems like the question should have a single, straightforward answer. But with varying definitions of what constitutes a housing market and with different ways of measuring home value, the question...
In his farewell address, George Washington warned, “It is our true policy to steer clear of permanent alliance with any portion of the foreign world.” Thomas Jefferson echoed the same sentiment at his inauguration: “peace, commerce, and honest friendship with all...
Based on data from NASA / SEDAC, this map shows how Italy’s population is distributed — half lives in the densely-packed purple areas (8% of the land), half lives in the sparse grey areas (92% of the land)....
Researchers in Germany have turned GPS data from three major world bike share programs into living, breathing visualizations of the cities themselves. Bike sharing programs have grown from just 24 cities worldwide a decade ago to more than 800...