When the Galileo spacecraft swooped by Jupiter's frozen moon Europa in Nov. 1997, views of its blistered surface strengthened suspicions that a briny ocean harboring life could lie beneath an icy crust. AP hide caption

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Jeralean Talley addresses the congregation as her pastor, Reverend Dana Darby, holds the microphone for her during a celebration of her 115th birthday. Rebecca Cook/Reuters /Landov hide caption

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From Pork To Onion Sandwiches: Secrets To Supersurvivors' Long Lives

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