The places where people think faith is necessary to be a good person.
The Secretary of Housing and Urban Development says he's optimistic about the homelessness trends in many places.
Tricycles, computer magnets, and other technologies that could help people grow old comfortably.
The Democratic hopeful has kept his distance from some of Bloomberg's policies but seems eager to embrace the current mayor's worldly outlook.
A few months after the marathon bombing, Ed Davis talks about civil liberties with more nuance than Ray Kelly.
Be wary of self-selection bias when measuring engagement with digital platforms, a New York City official warns.
Tech enthusiasts argue that the rise of mobile will create more face-to-face relationships.
Washington's dysfunction gives them a chance to talk up their operational prowess.
In many places in the U.S., the population is getting older and younger at the same time. And that has big implications for public health.
He wanted the way he ran his city to become a model for mayors everywhere. But can that idea persist once he's out of office?
Untangling the theory that local ideas can fix global problems.
The Internet isn't a place where everyone shouts at each other. It's a collection of lots of small places where people are chatting among themselves.
The former White House Chief of Staff has started to push for more liberal policies on the issue. Will the feds follow his lead?
The London Tube is adding the technology, but U.S. rail systems see it as a long way off.
The city has one of the highest rates in the country, and efforts to cut smokers out just aren't working.