Where the rich live with the rich, and the poor live with the poor.
They're still largely concentrated in the older suburbs of just a handful of metro areas.
The Boston-Washington corridor, home to 18 percent of Americans, produces more economic activity than Germany.
How U.S. cities stack up economically worldwide.
MIT's Zeynep Ton explains the theory behind the Good Jobs Strategy.
Home value is disproportionately concentrated in just a handful of U.S. cities and towns.
The places creative, service, and working class jobs will grow the most by 2022.
High rates of intentional violence are strongly associated with inequality, both in terms of class and gender.
Can we possibly prepare?
We're still limited in our ability to track the U.S. LGBT population, but there does appear to be a connection between gay neighborhoods and some of the markers of gentrification.
Hint: It's not favorable tax rates.
As eyes turn to Sochi, a look at the countries where it's worst (and best) to be gay.
High cost of living hasn't stopped British Millennials from flocking to the city.
There are tremendous differences in what it takes for workers to get by in different parts of the country.
Yes, there are still plenty of places that are unlikely to rebound until 2018 or later.
Half of the nods for this year's biggest awards went to artists living in L.A., New York, or Nashville.
Despite major advances, the world's slum population will likely double to 2 billion by 2050.
How globalization has changed the nature of urban development.
They can act as economic engines for entire countries.