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The Secret to Less Smelly Sewers: Old Coffee Grounds
Researchers at the City College of New York think they've found a way to use coffee to neutralize a city's most unpleasant odor.
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What's Making China Fat?
Obesity rates have skyrocketed in China over the last generation, at the same time that its cities have exploded. A group of researchers is now trying to pin down the relationship between the two.
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Re-Read of the Day: An Air Conditioner Probably Won't Kill You
One less thing to worry about as your face melts off during today's record-breaking heat wave.
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Finding Mecca the High-Tech Way: With a Light-Up Prayer Mat
The fabric glows when the pious point it toward the Muslim holy city.
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Rethinking the Milk Crate
A designer fashions the basic shell to include drawers, cork boards, seat cushions, and wheels.
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Democracy in America
This Week in Bans: The Great Sidewalk Chalk Drawing Menace
Also, Mumbai silences "laughing yoga" practitioners and Seattle prohibits a cancer survivor from swimming topless.
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'One Mega-City, Many Systems': The Evolution of Hong Kong
Cities around the Pearl River Delta have connected to form one giant metaphor about modern China.
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Traffic Noise Might Give You a Heart Attack
Louder streets have been linked to greater risk of cardiac arrest.
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Postcard
Times Square Becomes the City's Largest Yoga Studio
It's in celebration of the summer solstice.
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Videos
The World's Biggest Post-It Note Mural
Eduardo Zamarro's "Wall of Happiness" celebrates the little-known "Institute of Happiness" in Madrid.
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