Tech

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Do You Walk Enough?

This is an easy, passive way to find out.

Reuters

What Somalia's New Internet Looks Like From Silicon Valley

Until recently, the country's internet came exclusively through dial-up modems and satellite. Not anymore.

Suomi

A Bullseye in the Sky Over Texas

This is a thin glowing layer of Earth's atmosphere rippling in the wake of a huge thunderstorm.

SERIES

City Makers: Global Stories

The people and ideas reshaping urban life

Associated Press

Why Your Neighbors Will Finance Solar Panels for Your Roof

A California start-up is letting anyone invest in loans to let homeowners go solar.

Reuters/Claro Cortes

Beijing's City Government Is Fighting Public Urination With an App

Released just ahead of the annual Great Wall Marathon, a new toilet-locating mobile phone app hopes to prevent the urine-soaked walls that blemished last year's event. 

AP

Will London Finally Get Serious About Air Pollution?

Britain's parliament is launching an official enquiry into recent heavy smog. 

Jeff Croft/Flickr

Turns Out, You Can Make Solar Panels Work in Cloudy Cities

Scientists have already developed technologies that are more effective in cloudy weather. Now they just have to prove it.

@BBCWorld/Twitter

Glow-in-the-Dark Roads Are Finally Here

In the Netherlands, it's 500 meters of TRON.

NASA

Why It's a Big Deal That Half of the Great Lakes Are Still Covered in Ice

What happens when it all melts? Read on. 

j0n4s/Vimeo

This Trippy Video Shows a Man Biking Around His Own Mini Planet

It’s like The Little Prince, but on earth.

Women Eating on the Tube tumblr

These Women Wish You'd Stop Taking Pictures of Them Eating on the Tube

A Facebook page sparks controversy over privacy rights in public spaces.

MIT Media Lab

A Gorgeous Map of San Francisco's Independent Coffee Shops

How "walkable coffee shops" might foster a better sense of community.

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Facebook Might Be Making Women Feel Bad About Their Bodies

Spending more time on the social-networking site is associated with having a worse body image, researchers say.

Mayor Rob Ford: The Video Game

It's like Mario if the power-ups were crack pipes and the Goombas were cops and reporters.

Reuters

Why 'the Next Silicon Valley' Is Always Silicon Valley

How stars and spillovers make great cities and great companies.

IDV Solutions

It's Officially Tornado Season: These Animations Show the Parts of the U.S. Most Likely to Get Hit

Six decades of twister tracks shows that some places get hit again and again.

Visualizing the Spread of Chile's Tsunami

An oceanic model shows how far and wide last night's earthquake-triggered tsunami has traveled.

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How Singapore Got Hooked on the Internet of Public Shame

One of the city-state's biggest websites allows users to upload photos and videos of 'bad' behavior.