Air bags, poor economy save road lives – U.S. study
* Study finds 22 percent drop in deaths from 2005-2009

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Air traffic controllers made record number of mistakes in 2010, data show
The air traffic controllers in the Washington region, who direct more than 1.5 million flights, have made a record number of mistakes this year, triggering cockpit collision warning systems dozens of times.

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For Rio slum residents and police a mixed blessing
At his barbershop carved into the steep flank of a Rio hillside slum, Jose do Carmo dos Santos used to cut the hair of the neighborhood’s drug dealers and of the addicts who walked up the narrow alleyways for a fix and stuck around for the $5 trims.

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