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There are $1,000 prizes to be had for the best essays about how medical decisions affect the cost of care. There are separate categories for patients and clinicians. And the essays can reveal cost horrors or smart ways the system does more with less.

By selling some bonds and buying others, the central bank hopes to put downward pressure on long-term interest rates. The hoped-for result: a boost to the economy.

The state of Georgia is scheduled to execute Troy Davis on Wednesday, two decades after he was sentenced to death for killing police officer Mark MacPhail. WABE's Charles Edwards and David Savage of the Los Angeles Times discuss the case and the death penalty debate it has rekindled.

Award-winning choreographer Bill T. Jones joins NPR's Neal Conan to discuss Fela!, his hit musical about the life of Nigerian musician and human rights activist Fela Kuti. The show kicks off a national tour this month.

The links between red wine and longevity aren't nearly as strong as they once seemed, according to new research in the journal Nature. In fact, the research calls into question the whole mechanism used to explain wine's power to extend life.

Chaohu, a city in eastern China with 4 million people, effectively vanished overnight by administrative order. Many former residents are uneasy with the new reality, and what it means for their future.

More than half of the people in a recent poll say weight-loss shows influence what they eat. And 49 percent say they believe the television programs will have a positive influence on the obesity epidemic.

The Muslim Brotherhood is among the factions seeking to play a role in the new Libyan government. But moderate Libyans say they do not believe Islamists will become the dominant force in the country.

As the U.N. addresses the Palestinian bid for statehood, both Israeli settlers and Palestinians are holding rallies in the West Bank in support of their rival causes.

The movie Moneyball opens Friday. Based on the Michael Lewis book, it focuses on the rise of advanced statistical analysis in Major League Baseball.