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Explore 38,000 Historical Maps, Online and Searchable

The Digital Public Library of America announces the addition of a vast treasure trove of maps.

16 Rules for 'Smarter' Smart Growth

It’s time to update the so-called 1990's-era "ten principles" that emphasize compact development, transportation choices, and so on.

Here's What New York City Would Look Like in North Korea

An artist imagines the city with propaganda posters and limited lighting.

The Flashing Yellow Turn Signal: Good for Drivers, Bad for Pedestrians

Drivers focus so much on oncoming cars that they fail to notice walkers.

The World's Leading Science Cities

A new study ranks the top cities for physics research around the world.

DIY Mapping Goes Mainstream

Some of the best images on Google Earth, brought to you by random people.

Where the Cicadas Are Now Emerging

People have seen bugs belonging to Brood II, aka the mega-prolific 17-year cicada, from Georgia up to New York.

The Best Excuse Ever for Getting Your Groceries Delivered: It's Greener

If used right, online grocery services like Peapod and FreshDirect could help reduce greenhouse-gas emissions.

The Calgary Park That's United Historic Preservationists and Parkour Athletes

The city wants to renovate Century Gardens Park, but two unlikely groups are fighting to save it.

Historic Maps of the Day: The Louisiana Purchase's 210th Birthday

Celebrating 820,000 square miles.

The World's Top 20 Cycling Cities

No American cities made the annual ranking, put together by Copenhagenize Design Co.

We Could Be Doing Something Useful With the Energy Under Our Feet

Some surprisingly not-so-unrealistic plans to capture unused energy all around us.

Dhaka Explodes in Protests After Factory Collapse Kills Hundreds

Workers demand safer conditions; government action after the worst accident in the country's short history.

Announcing the Semi-Finalists for the 2013 AppMyCity! Prize

An international mobile application contest from the New Cities Foundation.

An App to Help You Navigate the Many, Many Car-Share and Transit Options Out There

RideScout makes it easy to compare wait times, prices and travel times.

The Coming Bold Transformation of the American City

The U.S. is expected to add 74.3 million new homes by 2050. How will its city evolve to meet this demand?

There's a Good Reason We're Anxious About Expanding Subway Cell Service

People have an especially hard time ignoring half a conversation because we can't predict what's coming next.

Google's Inside-Business Photos Sure Are Getting Surreal

Yes, that is a body being sucked down a toilet, and it only gets weirder.

What an Urban Planner Should Look Like in the Internet Age

As digital and physical worlds move ever closer together, cities need architects expert in both buildings and information.