New York

Stefan Wermuth / Reuters

Where Your Sofa Is High-Demand Real Estate

New York City and San Francisco are the most "requested" destinations on CouchSurfing.org.

brooklynspoke.com

The Case for Separated Bike Lanes

It's time to recognize that most people are never going to "stop worrying and learn to love the traffic."

Shutterstock

What Not to Bring to the 2012 Conventions

Your lasers, your bike locks, your pieces of wood, and any hopes you had of actually getting near the action.

Ian Veidenheimer

For Muslim Taxi Drivers in New York, Ramadan Gets Complicated

Fasting and praying at gas stations can be a challenge, and that's under the best of circumstances.

Kirill Rudenko

Product of the Day: Canned City Air

Get a whiff of a place you miss.

Reuters

A Problematic Map of Stop-and-Frisk

Its flaws cloud rather than clarify the recent debate over NYPD tactics.

Shutterstock

Why Restaurant Week Won't Die, Despite the Haters

Every year, critics complain about amateur eaters and disappointing food. So why do so many cities keep the tradition going?

Reuters

Why Hasn't the Harlem Children's Zone Been Replicated Even Without Obama's Help?

As a candidate, Obama promised to bring this transformative program to 20 cities around the country. That didn't pan out, but is the president to blame?

Sarah Goodyear

The Trendification of Brooklyn and the Perils of a Successful Urban Brand

Now that USA Today has written about it, surely it's time to go back to being uncool again. I can hardly wait.

Reuters

Cities Are Making Natural Disasters Deadlier

Poor design and over-development have put our burgeoning urban centers at serious risk.

The World Cities That Tweet the Most

Jakarta bests New York and L.A. as well as Tokyo, London, and São Paulo, according to a recent study.

EPA

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.

Reuters

What Makes Some Train Station Waits Better Than Others?

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

Uber

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.

Reuters

The Case for Distinctive Taxi Cabs

What we lose when cities begin copying each other.

Shutterstock

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.

Reuters

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.

Reuters

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?

Susan NYC/Flickr

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?