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An ex-con lends money to people in need; a group of friends creates a savings club. Even without banks, people often figure out how to get the money they need, when they need it.

Though the regulation proposed by the Fish and Wildlife Service would make it more difficult to use chimpanzees for research purposes, that may not be a problem, some scientists say. Scientific advances show the animals are less medically useful than previously thought.

Mexico City has largely been spared the drug violence in other parts of the country. But a brazen daylight abduction of 12 young people from a Mexico City bar is putting the spotlight on one of the capital's roughest neighborhoods, and putting the popular mayor on the defensive.

The Colombian city was the world's murder capital in the 1990s, but it managed to turn its fortunes around. Homicides were cut by 80 percent and made big gains on a number of fronts. But the city still faces many challenges in a region plagued by violence.

The Utah Data Center, 26 miles south of Salt Lake City, will begin operations in September. Though the NSA director has said it won't hold data on U.S. citizens, privacy advocates worry about the agency's expanding capabilities.

Itch can be a useful warning sign, or a maddening symptom with no cure. But the origins of itch have long been a mystery. Scientists think they've come closer to understanding the origins of itch in a molecule that makes mice scratch like mad.

There is some political willingness, but because China is highly decentralized politically, the Communist Party has only limited influence over provincial governments and how they regulate their dirty factories. The powerful state-owned oil companies have also resisted pressure to produce cleaner-burning fuel.

The high crime rate throughout Latin America has many causes. In many countries, residents claim that police and security force members are part of the problem. In Venezuela, one family says the police are linked to multiple killings that have devastated the family.

A keen eye and extensive knowledge of feathers allows forensic ornithologist Carla Dove (yes, that's her name) figure out from feather and bone fragments which type of bird crashed into a plane or was eaten by a snake. But the expertise has an uncertain future.

Members of Congress are pushing the Justice Department to preserve flights to small- and medium-sized cities from Reagan National Airport amid a review of the proposed merger of US Airways and American Airlines. Changes there could affect flights for lawmakers themselves.