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Rankings
America's Brainiest Cities
Tracking metros by a new measure of "brain performance."
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Olympics 2012
How the Olympics Will Reflect London's Changing Food Scene
The Games will offer spectators a distinctly familiar roster of dishes, distinguished from what’s available at the average airport mainly by even higher prices.
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Number of the Day: 4,700
That's the number of measures the world's 58 biggest cities have passed to fight climate change.
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Pardon Me, But These Lasers and Blinking Lights Mean You Are Standing Too Close
Let strangers know they're invading your personal space with this annoying little gadget.
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Photos
What Pittsburgh Looked Like When It Decided It Had a Pollution Problem
Photographs from the 1940s of the Steel City as it began to address its notoriously smoky air.
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In the Future, We Will Jog with Robots (Maybe)
Melbourne researchers have developed a flying "Joggobot" for runners who can't find exercise partners.
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Madrid Icon May Not Return to Skyline
The beloved Tío Pepe sign – Madrid's Eiffel Tower – could be doomed.
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A Blueprint for a Profitable Urban Farm
A new reports argues that plentiful vacant land in Youngstown can create jobs and money.
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Videos
A Case Study in a Senior-Friendly City
How Arlington, Virginia, helps serve older residents.
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Postcard
The Never-Ending Tumult in Cairo
Protesters decried the most recent ruling on deposed leader Hosni Mubarak.
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