There is a 16-by-16 mile grid of big X’s in the Sonoran Desert that were used to calibrate spy satellites in the 1960s. They’re no longer in use, but Julie Anand and Damon Sauer have been studying the marks and overlaying the paths of publicly-known satellites that are detected during the time of a photograph.
Satellites from the ground
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Percentage of Households in Each Income Level
What percentage of households fall into lower-, middle-, and upper-income levels when you adjust for household size?
Divorce Rates for Different Groups
We know when people usually get married. We know who never marries. Finally, it’s time to look at the other side: divorce and remarriage.
Restaurant Reopenings, a Comparison to Last Year
Restaurants are reopening for dining across the United States. Some states are doing it faster than others.