People travelling through Philadelphia International Airport Terminal A West Transit Corridor. The airport is the 12th busiest in the world. iStockphoto hide caption

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Experiences in youth shape our health in old age. That's the key lesson from the world's longest-running medical study. hide caption

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Jake Finkbonner, shown with his father, Donny, and mother, Elsa, nearly died after contracting a flesh-eating bacterium. His family and friends prayed for a miracle, and now the Vatican has declared that his recovery was considered a miracle by the church. Barbara Bradley Hagerty/NPR hide caption

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Alexandria Johnson got involved with the Anderson Monarchs soccer team when her mother was looking for an affordable way to keep her active. Todd Vachon/WHYY hide caption

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Madeline Mann seen shortly after she was born prematurely in in 1989. Weighing 9.9 ounces at birth, she is now an honors student in psychology at Augustana College in Rock Island, Ill. A. Hayashi, Loyola University Medical Center/AP hide caption

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