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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Zanele Themba (on the left with the pink backpack strap) admires American teens because they "know what they want and go for it." She's posing with classmates from the Sapphire Secondary School who participated in a model U.N. in Johannesburg. Courtesy of Youth@SAIIA hide caption

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Patrick Sitwayi, 57, lives in Upper Mcambalala and has silicosis from working in the gold mines for 22 years. Photographer Thom Pierce has been covering the miners. Thom Pierce hide caption

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Oscar Pistorius was found guilty of culpable homicide, which is equivalent to manslaughter, in the 2013 shooting death of his girlfriend. After less than a year in jail, he was released to house arrest. Themba Hadebe/AP hide caption

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South African athlete Oscar Pistorius (right) is escorted to a police vehicle following his sentencing at the High Court in Pretoria, South Africa, on Oct. 21, 2014. Gianluigi Guercia/AFP/Getty Images hide caption

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Elephants are an option for the first quiz question. These pachyderms are walking on a path at the Lewa Wildlife Conservancy at the foot of Mount Kenya, approximately 185 miles north of Nairobi. Tony Karumba /AFP/Getty Images hide caption

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The night before the NBA exhibition game, two South African teams faced off in Johannesburg. Hoops aren't exactly a huge draw in the soccer-loving country. Attendance was about 1,000. Don Boroughs for NPR hide caption

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Sudan's President Omar al-Bashir (center), seen here next to Congo's president Denis Sasso-Nguesso (right) and Prime Minister of the Sahrawi Arab Democratic Republic Abdelkader Taleb Oumar, escaped an arrest order in South Africa. Gianluigi Guercia/AFP/Getty Images hide caption

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Sudan's President Omar Hassan al-Bashir speaks to the crowd after a swearing-in ceremony at green square in Khartoum, earlier this month. A South African court has ordered al-Bashir, who is attending an African Union summit in Johannesburg, to be detained on an international war crimes warrant. Reuters/Landov hide caption

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