A still from the video game Call of Juarez: The Cartel. YouTube hide caption

itoggle caption YouTube

Mexican police guard the U.S. vehicle that was attacked Tuesday by suspected drug traffickers in Santa Maria del Rio, Mexico. One U.S. Immigration and Customs Enforcement agent was killed and another was wounded. El Pulso/AFP/Getty Images hide caption

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Jaime Guevara-Aguirre stands with some of the people who took part in his study of Laron syndrome in Ecuador. Courtesy of Valter Longo hide caption

itoggle caption Courtesy of Valter Longo

A group of Muslims leave the Al Ahmad mosque, the most popular in Buenos Aires, after Friday prayers on Jan. 28. Many say they are satisfied with the government's decision to recognize a Palestinian state. Silvina Frydlewsky for NPR hide caption

itoggle caption Silvina Frydlewsky for NPR

The belongings of former President Juan Peron, shown with his wife, Eva, are at the center of a debate in Argentina. AP hide caption

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Louisanna Dema has lived along the median of Route Nationale 2, just south of Port-au-Prince, for just over a year. She and her family are finally moving out of their sheet metal shack and into a "transitional shelter" provided by a relief agency. Valentina Pasquali/For NPR hide caption

itoggle caption Valentina Pasquali/For NPR

A horseman falls from a horse, after being gored by a bull during the 2007 Corralejas Bull Festival in Sincelejo, Colombia. William Fernando Martinez/AP hide caption

itoggle caption William Fernando Martinez/AP