Studying the emissions of megacities like Los Angeles promises to be the next big thing in combating global warming.
What better way for cyclists to show their contempt for the car-driving masses than riding around on the carcass of a dismembered vehicle?
Is this the hippest bicycle in the world?
Carl Downer spends his work days giving commuters Rasta-inflected pep talks.
Also, Australia tests the sewer system for drugs and there's a very suspicious-looking porta-potty at an Oklahoma golf course.
Bus operator Alexei Volkov claims to have precipitated more than 100 traffic accidents – mostly just to teach rude drivers a lesson.
If you live in Manhattan, you might recognize your own window in this curious collection by illustrator José Guízar.
A huge overnight storm trapped commuters, knocked out power and killed at least one person.
Take on the role of violent agitators or the police in this atmospheric smartphone simulator.
Tantalizing evidence suggests that yes, air traffic is helping give the atmosphere a fever.
Also, a Sydney mall muzzles screaming children and Winston Churchill gets the axe from downtown Nottingham.
You might never look at red graffiti the same way again.
The 1-gram listening device that flew like a dragonfly never really got off the ground.
Hungary's MOVEO scooter looks like something baggage handlers might lose at the airport.
A group of urban hackers spent a day in Bamberg destroying people's public expressions of everlasting love.
Here's how to become the most popular person in your 'hood, especially among large, sweaty men.
Can the Porta-Potty experience be improved with bass-thumping soundtracks?
Would you dissolve in fire or would your clothes simply ignite?
Windows exploded, buildings shook and a billowing pair of smoke trails marked the heavens.