For Scientific American, Nicholas Rougeux and Jen Christiansen show the shift in hues for the magazine’s covers over the past 175 years. The changes serve as a proxy for technology advancements, changes in ownership, and shifts in thinking.
Color breakdown of Scientific American covers
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The Most Gender-Switched Names in US History
We use some names mostly for boys and some mostly for girls, but then there is a small percentage that, over time, switched from one gender to another. Which names made the biggest switch?
Shifting Incomes for American Jobs
For various occupations, the difference between the person who makes the most and the one who makes the least can be significant.