Tech

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'Parentrepreneurs' Combat Hot-Car Deaths With New Baby-on-Board Tech

Car manufacturers' efforts have been fruitless, so entrepreneurs are developing ways to save children's lives.

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Methodology Details for the State of the City Poll

How we arrived at the data. 

Phil Sears/Reuters

Why Are There So Many Sinkholes in Florida?

As pieces of the Sunshine State collapse in on themselves, new technology offers hope for early warning.

SERIES

City Makers: Global Stories

The people and ideas reshaping urban life

Shutterstock/Dmitry Syshchikov

Remote-Controlled Moths Are Coming ... to the Rescue?

Scientists can now control the movement of "biobot" moths—and the applications could go far beyond saving your sweaters.  

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How to Save America's Crumbling Bridges While Congress Gets Its Funding Act Together

Infrastructure sensors can detect safety hazards, improve traffic flows, and even help generate revenue.

Twitter

This Flying Space Rock Is Way Bigger Than Los Angeles

The comet 67P/Churyumov-Gerasimenko is really big. Earthlings should study it now—before something similar comes knocking at our atmosphere.

Andy Clark/Reuters

The Navy Is Tracking Ocean Sounds Collected by Scientists

A network of Internet-connected undersea microphones is picking up more than whale songs.

Michael Caronna/Reuters

In the World of Food Trends, Nothing Stays Popular Forever

Vodka-mayonnaise cocktails, anyone?

Pine Tart

These Georgia Teens Created a Yelp to Rate the Police

Four "solution-focused" siblings are launching Five-O, an app to share and rate experiences with law enforcement. 

Photos
NASA

Help Science Identify a Kajillion Astronaut Photos of Cities

"Night Cities" is an ambitious project to create an atlas of urban space photography.

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No, Fukushima Is Not a Wildlife Haven—and Neither Is Chernobyl

A slew of new research reveals the deleterious effects of radiation on Fukushima's ecology.

Photos
KANVA/Marc Cramer

Montreal's Newest Concrete-Slab Building Is Brightened With Film Stills by Thomas Edison

Architects used images filmed by the inventor in 1901 to bring life to an apartment building's flat facade.

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Why London's National Gallery Has Surrendered to Selfies

The august institution hopes visitors will contemplate its world-class art collection, but realizes many people would rather just take photos of themselves in front of it.

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Why Can't the United States Build a High-Speed Rail System?

The problem isn't geography, demographics, or money—it's federal will.

Reuters/Lucas Jackson

The 'Bloomberg Terminal for Fashion' Reveals What Consumers Want—Now

Big data has turned "fashion forecasting" from an art into a science. Is that a good thing? 

Reuters/Carlos Barria

Your Tech Peak Is in Your Mid-Teens, and It’s All Downhill From There

Think you’re a tech guru in the working world? Think again.

AFP/Getty Images

The Real Reason You Can't Text 911

Major cell-phones companies are equipped to let callers text emergency call centers, but most states aren’t.

Flash Invaders/iTunes

The Hardest Video Game in History Is About Street Art

To thoroughly win, you'll need to actually go visit every continent.