New York

A Brief History of Air-Conditioning on the New York Subway

The city has tried to provide a cool summer ride since 1905, with varying degrees of success.

What Makes Some Train Station Waits Better Than Others?

"Queueing theory" says we hate the injustice of waiting on chaotic lines.

Using Uber Ridership Data to Compare Cities and Neighborhoods

San Francisco's Financial District is more Manhattan-like than it is San Francisco-like, and other observations.

The Case for Distinctive Taxi Cabs

What we lose when cities begin copying each other.

Micro-Subletting Is Thriving in New York — But Is It Legal?

Users of sites like Airbnb are snubbing a recent law that forbids short-term apartment rentals.

The Startling Urban Dynamic in Pennsylvania's Voter ID Law

Philadelphia voters are in uncharted territory as the state fights over restrictive new ID legislation.

Using Data Streams to Catch Criminals

A new NYPD system allows police to quickly collect data from cameras, crime reports, and 911 calls. What's the impact on our privacy?

The Lost Arpeggios of Rush Hour

The best idea we've ever heard for swiping into the subway has sadly fallen on deaf ears. Any takers?

Why America's Religious Jews May Not Be Able to Move Back Downtown

Constructing the necessary "religious infrastructure" takes much more effort in existing dense neighborhoods.

The Divided Global City

Global class conflict is still playing out on a local scale.

The U.S. Cities Where Young Adults Are Most (and Least) Likely To Live at Home

Metro areas with low rates of marriage, high unemployment, and low educational attainment have the largest share of 'boomerang' kids.

Why Cyclists Run Red Lights

Mostly to turn or because the signal doesn't recognize them, according to the latest research.

Decline of the Day: Stop and Frisk Down 34 Percent in New York

With legal challenges mounting, the NYPD conducted 70,000 fewer stops last quarter.

The Geography of James Bond

Who's been to more cities, you or 007?

The Emotional Impact of New Skyscrapers

When you love a city, every change in its skyline is a sign of how it has aged with you.

Confirmed Stereotype of the Day: Brazilians Love to Dance

The World Cities Culture Report came out today, and most of what you thought is true.

The Geography of Bars and Restaurants

America's best cities for eating and drinking, according to Trulia.

Brooklyn Volcano Claims a Sacrificial Car

One more reason not to park over a manhole.

Metrocards Could Be Pieces of a Gigantic Urban Puzzle

A Brooklyn design firm proposes a clever way to combine advertising and adventuring.