World's most polluted cities
Severe pollution is once again choking Shanghai and other cities in China, disrupting hundreds of flights and forcing schools to close. China is home to some of the world's most polluted cities -- take a look at some of the others.
Around The Watercooler
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- Tow truck driver buried in uniform
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- Twitter buys log cabins for cafeteria
- Cats as weapons? In 16th century Germany, yes
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