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Reuters Yesterday's tornado was deadly not just because of the vagaries of the sky. It was deadly, too, because of the fickleness of the ground.
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Charts
This New Data Should Make You Pretty Nervous About the Latest Bird Flu
Only 4 of the 81 people with confirmed cases of bird flu in China have fully recovered; human transmission still can't be ruled out.
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Maps
Immigrants Boost the Wages, Income and Economic Output of Cities
Contrary to the political conventional wisdom, higher shares of immigrants are associated with many good things in U.S. metros.
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This Week in Bans
Florida County Starts Paddling Students, Again
How else will educators get naughty kids to fall in line?
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An Architectural Reflection of George W. Bush
The Bush Presidential Center will include a library, museum, and think tank.
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Why Big Cities Make Media Liberal
And why the Koch Brothers can't do anything about it, even if they buy up the Tribune papers.
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How Sprawl Made This Week's Devastating Midwestern Floods Worse
Spread-out development contributes more rooftops and pavement to the watershed than walkable neighborhoods.
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Postcard
In Bangladesh, a Frantic Search for Survivors After a Factory Collapse
At least 70 garment workers have died and scores more were injured when an 8-story building fell down Wednesday morning.
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How Toronto's Muslim Community Helped Catch the Would-Be Train Bombers
Religious groups can be capable -- and sometimes incredibly deft -- at policing extremists within their own ranks.
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Charts
Beijing Residents Can't Escape Dismal Air Pollution
Wildly fluctuating urban air pollution is prompting some residents to seek homes elsewhere. But most Chinese cities suffer similar problems.
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Everything You Need to Know About Why Chicago Is Furious With Rachel Shteir and The New York Times
An old-fashioned battle over civic character.

