Take a close look at a modern U.S. dime or quarter. You'll notice its circumference is lined with tiny, parallel ridges. This feature, known as reeding, is so common that most people rarely give it a second thought. Yet, these simple lines are not...
The history of the United States is fundamentally the story of its population—its relentless growth, its profound internal shifts, and its continuous diversification. From its Indigenous roots to its projected status as a nation of 400 million, demographic change has been the primary driver...
