And other findings from a mobile app that tracks how people in different cities spend their time.
The United States, Italy, and the United Kingdom are particularly good at obtaining private Facebook data, a new map reveals.
So why are law enforcement agencies refusing to use it?
In six global cities.
How do you reduce the greenhouse gas emissions of skyscrapers? For starters, make a chart.
A detailed picture of one million contributors – and what they've contributed – to OpenStreetMap.
A stunt that makes dudes shooting rifles while drifting seem almost tame.
A growing summer camp is giving young women the skills they need to get high-paying tech jobs, before they've even graduated from high school.
Mining damage is forcing Kiruna, Sweden, to pick up and move — two miles east.
As the country has undergone massive political shifts, a new start-up culture has bloomed.
Evolution gave us hands, but people are so afraid of germs in the bathroom they prefer to use feet, hips, and paper towels to touch things.
Visualizing the various digital divides in the city.
The new operating system might reduce iPhone thefts.
The Center for Urban Science and Progress wants to study city problems — and to solve them.
This Sunday's demolition looked like a massive doughnut hole forming in the middle of a department store.
Inside New York City's plan to reduce the annual miles driven by its sanitation department.
Looting, death, and a loose crocodile: Thanks to this Pacific tempest, life in Acapulco is not so sweet right now.