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Hanoi's air quality plummets in worst pollution wave of winter

Hanoi woke up on Dec. 11 to its most severe pollution episode of the winter, as monitoring stations across the capital ...

Shoveling can trigger a heart attack. Here's how to clear snow safely.

It's not just plows clearing the snow, but people, too. From sidewalks and driveways, it's a job that can be tough on your ...