In most areas in the United States, lower FM frequencies are reserved for non-commercial educational broadcasting, and the rest is for commercial broadcasting. (And suddenly, radio music availability during long drives makes sense to me.) Upon this trivia nugget, Bob Baxley wondered what the distribution of frequencies looked like across various genres. With a quick scrape and a plot, here’s what he got. [Thanks, Bob]
Radio station frequencies, by genre
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Fast Food Menu of Calories
How does the distribution of calories vary by fast food restaurant? Here’s a chart that shows all the menu items for ten of the biggest national fast food chains.
Shifts in Job Distribution
In the 1950s, almost half of all employed people were either in farming or manufacturing. As you can imagine, work changed a bit over the years.