U.N. Secretary-General Ban Ki-Moon (in white-and-blue vest) joins other leaders at the 2015 International Women's Day March at Dag Hammarskjold Plaza on March 8 in New York City. Michael Stewart/WireImage/Getty Images hide caption

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Migrants who survived a shipwreck are escorted as they arrive at the Lampedusa harbor on Wednesday. Some 300 others drowned in the latest such disaster triggered by people fleeing conflicts in North Africa. Antonio Parrinello/Reuters/Landov hide caption

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Survey teams are part of the Ebola army: They determine who's sick and send out burial teams when needed. Here, Osman Sow talks with Kadiatu, who is eight months pregnant and suspected of having the virus, as she waits at a health center in Freetown, Sierra Leone. David Gilkey/NPR hide caption

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A sampling of dishes served at United Noshes dinner parties. From left: feta-stuffed peppers from Greece; noodles in cold broth from the Democratic People's Republic of Korea (better known as North Korea); mojitos from Cuba; grilled quail with chili-ginger marinade from Congo. Courtesy of Laura Hadden hide caption

itoggle caption Courtesy of Laura Hadden

Anthony Banbury (second from left) just completed his final tour of West Africa before stepping down as the head of U.N.'s Ebola mission. Reuters/Landov hide caption

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Raphael Lemkin is the Polish lawyer and linguist who coined the term "genocide" — and dedicated his life to making genocide recognized as a crime. Copyright by Arthur Leipzig /Courtesy of Howard Greenberg Gallery, New York hide caption

itoggle caption Copyright by Arthur Leipzig /Courtesy of Howard Greenberg Gallery, New York

U.N. representatives for Venezuela, including Foreign Minister Rafael Ramirez, right, celebrate after being elected to a two year term as a non-permanent member of the United Nations Security Council on Thursday. Spencer Platt/Getty Images hide caption

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Islamic State flags on the Mullah Abdullah bridge in southern Kirkuk earlier this week. A U.N. report says the extremist group has perpetrated possible war crimes and crimes against humanity. Reuters/Landov hide caption

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Five ambulances, donated by the U.S. to help combat Ebola, are lined up after a ceremony attended by Sierra Leone's president, Ernest Bai Koroma, in Freetown on Sept. 10. Michael Duff/AP hide caption

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"I want to grow up and become a police. But I need to study in a good school for that. I want to become a police to protect the country." - Fiza, 13 (India) Courtesy of Nike Foundation hide caption

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Watch out, Congress: Girl Up activists came to the nation's capital in June to lobby for issues affecting girls in the developing world. From left, Alexandra Leone (New Hope, Pa.), Grace Peters (Flemington, N.J.), Aklesiya Dejene (Chicago), Isabella Gonzalez and Erika Hiple (Stockton, N.J.) Ryan Kellman /NPR hide caption

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Palestinian Saeb Afana, 12, stands on the edge of a large crater from an Israeli missile strike that destroyed several graves, as he carries flowers at a cemetery in Gaza City on Monday. Lefteris Pitarakis/AP hide caption

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South Sudanese fleeing an attack on the town of Rank, on Saturday. The United Nations says when rebels seized the town of Bentiu, south of Rank, earlier this month, hundreds became victims of ethnically targeted killings. Mohamed Nureldin Abdallah/Reuters/Landov hide caption

itoggle caption Mohamed Nureldin Abdallah/Reuters/Landov

Hostages being held at the U.S. Embassy in Tehran in November 1979. Iran's choice for U.N. ambassador, Hamid Aboutalebi, has acknowledged that he was an interpreter for the student group that seized the compound. AP hide caption

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