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The March on Washington, Then and Now

Photos of the benchmark 1963 event, side-by-side with images from today.

Why Are Some States Trying to Ban LEED Green Building Standards?

As the certification grows more popular, industry opposition to it is ramping up.

The Shanghai Metro Has Its Own Library

Pick up a book at one stop and, hopefully, return it before you get off the subway.

Urbanism for Introverts: Why Cities Need Quiet Spaces

Why cities need quiet spaces.

The Most Dangerous City in the World Is Not Where You Think It Is

There's a war brewing in Central America.

Animals May Evolve Bigger Brains to Handle City Life

A new study illustrates how species adapt when humans alter the environment.

NASA's Satellites Are Watching the Rim Fire Creep Into Yosemite

Nighttime images show the gradual spread of the tremendous wildfire, which is burning brighter than the city lights of Reno.

Why the Switch to Digital Projectors Means the End of the Small-Town Movie Theater

Hollywood's transition is leaving smaller, more isolated communities in the dark.

The 'World's First' 3-D Printed Skateboard Isn't Exactly That

In its defense, though, it looks awesomely terrifying.

Architects Are Part of the Prison Industrial Complex, Too

They're the invisible actors in America's carceral play. Should morality play a larger role in their work? 

Impressive Timelapse of the Day: A Multi-Story House Built in Just One Day

It's also fully insulated and hurricane-proof.

A Brief History of How Living Alone Came to Seem Totally Normal

From 1970 to today.

When Airport Hopping in New York Was Cheaper, Faster, and a Little More Dangerous

New York Airways used to help air travelers get from airport to airport (and Manhattan) by helicopter.

No, Mexican Drug Cartels Are Not Actually Operating in 1,286 U.S. Cities

How the National Drug Intelligence Center disseminated a bogus figure, and the media ate it up.

Slipping Optical Illusions into Post-Earthquake Christchurch

With the power of trompe l'oeil, Mike Hewson tries to give hope to New Zealanders "surrounded by decay and uncertainty."

A Playground Built to Keep Sex Offenders at Bay

The scheme was cooked up by a Daytona Beach homeowner's association.

Birthplace of the World's Shortest War

Stone Town, Zanzibar, experienced about 40 minutes of British bombardment in 1896.

One Simple Tip That Could Save a Cyclist's Life

Checking for cyclists should be a routine and heavily emphasized part of driver education.

Why the Yosemite Fire Is Especially Scary

Just for starters, it could cut off San Francisco's water supply.