A semi-anonymous way of broadcasting how you feel.
A team of San Francisco inventors view drunks and the homeless as reservoirs of golden fertilizer.
5 reasons you might get a sudden whiff of something unpleasant.
More than 270,000 noise complaints sketch a city that roars in the day and talks ferociously in its sleep.
Just what it sounds like.
A Chinese supermarket giant has announced plans to build 1,000 "virtual" supermarkets.
Take a street view tour of some of the company's data centers.
Nearly every square meter of rooftop in Cambridge, Massachusetts, has now been evaluated for its suitability to host solar panels.
A new modeling system called "Hestia" traces greenhouse gases to individual urban buildings and roads.
The Indian city is setting itself up as a model for how struggling cities can better handle waste disposal.
This crash detector will send GPS coordinates to the authorities if you sustain a severe head impact.
Plus, a terrorism memorial becomes a magnet for public urination and the location of a British town's death registry office is questioned.
In these satellite images, the street markets glow red.
This hacked "Waterfall Swing" puts kids through dozens of rainstorms each minute.
Using GPS technology implanted in shoes, artists envision the paths that runners love to tackle.
Researchers at Arizona State University have created software that tracks carbon dioxide emissions of whole cities, down to individual buildings and roadways.
For the first time, neighborhoods will be able to bid on local radio wavelengths. Here's what that means for cities.
Get behind the driver's seat to experience the exciting world of street sweeping firsthand.
A new app lets renters create a profile with their job, salary information and credit history.