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To succeed, Obamacare will need to get past three big hurdles in implementing state exchanges

A deep look at the social networks of Bangladesh's street children

Why do HIV/AIDS rates remain stubbornly high in some populations -- and what can be done to help?

Fundamental changes to the safety net have impacted how it shields families from the Great Recession

Chicago Public Schools is expanding the reach of International Baccalaureate high school programs after a study shows how well they serve low-income students

30,000 gun murders in America annually