All About Flags
Flags are among the oldest and most successful systems of visual communication ever devised. Long before they became symbols of countries, flags and flag-like objects identified armies, rulers, reli...
24 Elo 16min
The Doctor's Riot of 1788
In the years after the American Revolution, New York City was growing rapidly, and so was the demand for trained physicians. But medical education required something that was difficult to obtain leg...
23 Elo 13min
German Americans
According to the US Census, the single largest ethnic group in the United States are Germans. More than 40 million Americans identified German as their ancestry, nearly 12 percent of the total populat...
22 Elo 16min
The History of Banks and Banking (Encore)
One of the biggest and most important industries in the world is banking. Banks control an enormous amount of money and are often the most influential economic institutions in most countries. Yet,...
21 Elo 16min
The Florence. Cathedral
For more than a century, one of Europe's richest cities worked on a building it did not yet know how to finish. Its designers created an enormous space that seemed impossible to cover, leaving future...
20 Elo 15min
The Surprising History of the Plow
For most of human history, growing food depended on one deceptively simple piece of technology. Over thousands of years, it evolved from little more than a sharpened stick into a machine that could t...
19 Elo 15min
The Liberal Arts
For thousands of years, educators have wrestled with the question: what knowledge does a person truly need? The answer once included seven formal subjects that established the foundation of education...
18 Elo 15min
