Over public networks, the barrier to your personal details is pretty darn low.
A new tool called Urban Layers tracks Manhattan's rise, block by block, since 1765.
Hamsa Balakrishnan develops algorithms that help controllers and pilots better manage who's taking off and when.
NASA says it's a “once-in-a-lifetime event.”
The people and ideas reshaping urban life
This weather wand blows raindrops 3 feet away (and perhaps onto other people).
This guy looks like he'd eat the Man in the Moon for breakfast.
Software company Esri's database files Americans into 67 different consumer groups—with eerie accuracy.
A new report from the Aspen Institute discusses the future of an important institution.
Are you a tech entrepreneur? Check out nearly 100 innovation labs across Sub-Saharan Africa on this interactive map.
Beijing is the world's top science city, but Chinese policies will prevent China from becoming the world's top science country.
What we've learned from our 9-month series on tomorrow's urban mobility.
A roundup of the best stories on cities and urbanism we've come across in the last seven days.
This experiment in "energy recycling" is like having a giant municipal hot-water heater—and the concept dates back to Roman times.
Cab-sharing has arrived in a serious way with UberPool and Lyft Line.
Why travel at all when the most reasonable, thoughtful people on the Internet have rated the world's metropolises for you?
ScenePast lets you send a note with a classic 20th century streetscape from your mobile device. But it's also got an addictive second feature.
It's all about the ratio of total dissolved solids in a given water sample.
In a city that's struggled for peace and solid infrastructure, its 1.5 million residents can finally draw cash.
The app now connecting political protesters could soon connect people in the developing world.