Cities support more native biodiversity than previously thought

The rapid conversion of natural lands to cement-dominated urban centers is causing great losses in biodiversity. Yet, according to a new study involving 147 cities worldwide, surprisingly high numbers of plant and animal species persist and even flourish in urban environments — to the tune of hundreds of bird species and thousands of plant species in a single city.

Reducing pollution in cities with electric cars

One thing we’ve come to expect with the rise of electric vehicles is that pollution levels in areas where these are driven will drop, even if just slightly.

GPS accuracy given big boost

Spanish researchers say they've found a way to improve cars' GPS in cities by as much as 90 percent with a new low-cost device.

Cities affect temperature a thousand miles away

Large cities can affect the weather as far as 1,000 miles away, say scientists, warming some areas and cooling others.

Hacker claims responsibility for WoW carnage

A hacker has claimed responsibility for an incident yesterday in which World of Warcraft players across Europe dropped dead in their thousands.

Carnivores eye US cities

No, this article isn't about the post-apocalyptic world of the Walking Dead. 

However, urban coyotes and other large carnivores are currently eyeing US cities as a possible site for food and shelter.

Report: Cities worldwide taking action on climate change

Not so long ago, the view of the political right (and even many centrists) was that a focus on the environment and climate change would hurt jobs and the economy in general. 

Carbon monoxide calms city dwellers down

Carbon monoxide in cities could actually be drugging residents into placidity, according to Israeli scientists.

City living affects brain structure

Researchers have discovered that two areas of the brain are directly affected by city living, leading to a greater risk of anxiety and mood disorders.

Foursquare lists world's rudest cities

Manchester in the UK is the world's rudest English-speaking city, according to Foursquare, based on the amount of swearing in check-in recommendations.

DARPA plans to sniff round cities to detect chemical attack

We're not sure if this is genius or utter lunacy - actually, we think we've got a pretty good idea - but the Defense Department has decided that it wants to know how each major city in the US smells, in order to help detect chemical attacks.