Eric Jaffe

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The Surprising Economics of Sex Ratios

New research says men change their spending habits when they outnumber women.

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Why Bike Theft Is So Hard to Stop

There are few defenses, no risks, and a decent reward.

Reuters

The World Trade Center's Rocky Real Estate History

The original Twin Towers had trouble finding tenants, but the new buildings are off to a promising start.

Steven Siegel

Mementos of NYC's 'Missing Limb'

Long-time city photographer Steven Siegel recalls one of his favorite subjects, the World Trade Center.

Flickr/Louis Clotman

How Amtrak Might Redefine Downtown Philadelphia

A proposal to make Market East Station the city's new Northeast Corridor rail hub could change everything for that district.

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The Very Mortal Life of City Bus Drivers

The job has long been one of the most stressful and hazardous gigs in town.

Flickr user adrimcm under a creative commons license

Using BRT as a Transit Band-Aid

As Istanbul awaits the completion of its trunk subway line, the Metrobus has performed admirably.

Courtesy of Eric Fischer

Mapmaker, Artist, or Programmer?

Self-described "map geek" Eric Fischer uses urban data to make some of the web's most intriguing spatial images.

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The Case for Eliminating Disabled Parking Placards

They invite fraud, drain city revenue, and often fail to help those who need it most — new research proposes an alternative.

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In New York, Toward a Harmony of Police and Cyclists

A bicycling advocate says both riders and cops must work to improve their relationship.

Reuters

Shooting at Empire State Building: What Will Happen If Injured Bystanders Sue the NYPD?

A recent ruling suggests the courts would support the officers' actions at the Empire State Building, should a lawsuit arise.

Reuters

Is a VMT Tax a Good Idea?

San Francisco is the latest city to consider a vehicle-miles traveled fee system.

Mama's Food Shop

What Big Cities Lose When They Lose Their Small Businesses

An East Village food shop owner discusses the post-recession difficulties facing Mom-and-Pops.

WalkSafe

3 Next-Gen Apps for the Stressed-Out Urbanite

Too busy to worry about little things like "health" or "pedestrian safety"? Your smartphone is on it.

Reuters

A Problematic Map of Stop-and-Frisk

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

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.

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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

How Not to Make Friends on the Greyhound Bus

A Yale researcher spends two years riding around, documenting the rules of "social disengagement."