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Why Old Post Offices Still Matter

These iconic buildings are great for a city's character and downtown vitality. But they're quickly disappearing.

The Midwest Is Running Dangerously Low on Propane

And prices are up 50 percent since last week.

Australia Should Probably Get Used to These Devastating Heat Waves

Climate change will mean more frequent and more powerful El Niños, say researchers.

Extending the School Day Is a Lot Harder Than It Seems

Chicago's new plan to keep kids in school longer has been challenged by budget cuts and safety concerns.

Detroit's Latest Plan for Financial Solvency Goes Bust

A judge rejected they city's proposal to offer gambling revenue as loan collateral.

Maps

How the Western World Enables China's Air Pollution

Americans and Europeans are partly to blame for the smog floating over the Pacific, say researchers.

The Growth of College Grads in Dead-End Jobs

The rise of the baristas.

Maps

This Warped Map Shows Global Warming's Biggest Offenders

International boundaries look a lot different when you judge a country by its greenhouse-gas emissions.

The Danger of Telling Poor Kids That College Is the Key to Social Mobility

Higher education should be promoted as an opportunity to experience an intellectual awakening.

Why So Many Emerging Megacities Remain So Poor

How globalization has changed the nature of urban development.

Congress Just Started Caring About the Sharing Economy

A friendly first hearing on Capitol Hill.

Where Does Obesity Come From?

We think poverty makes people obese and that obesity makes people poor. It's harder to understand exactly why.

The Case of California's Disappearing Snow

This year, there's virtually no powder on the ground in the drought-stricken state.

Poverty Is Literally Making People Sick Because They Can't Afford Food

Low-income people are 27 percent more likely to be hospitalized for hypoglycemia right before paychecks and benefits come out.

Maps

Why Big Cities Matter in the Developing World

They can act as economic engines for entire countries.

Maps

Why Americans Stopped Moving to the Richest States

The long road from "go west, young man" to "stay put, everyone."

One Reason the Poor Have So Little Political Clout

The disadvantaged are the least likely to vote. What does that mean for their interests?

China's Slowly Disappearing Steel Plants

The country's bleak post-industrial future.