Women meet during a support group for those who have HIV and their friends and family on Jan. 17 in Triunfo de la Cruz. These kinds of support groups are an important part of making people feel comfortable with their diagnosis and seeking treatment. David Rochkind/Pulitzer Center hide caption

itoggle caption David Rochkind/Pulitzer Center

Chief Almir of Brazil's Surui tribe attends a press conference with Google representatives in Rio de Janeiro last year. Chief Almir has brought technology to his previously isolated people, who now use smartphones to send photos of illegal logging in the Amazon. Vanderlei Almeida /AFP/Getty Images hide caption

itoggle caption Vanderlei Almeida /AFP/Getty Images

Guatemala's former dictator Efrain Rios Montt arrives in court Jan. 31 in Guatemala City to stand trial on genocide charges. On Tuesday, the prosecution will present its case in the trial. Moises Castillo/AP hide caption

itoggle caption Moises Castillo/AP

March 6: In Caracas, many Venezuelans crowded the streets to see the coffin of President Hugo Chavez. Xinhua /Landov hide caption

itoggle caption Xinhua /Landov