Vital Sounouvou is an African entrepreneur who founded Exportunity.com, a company to help promote trade in Africa. Courtesy of Vital Sounouvou hide caption

itoggle caption Courtesy of Vital Sounouvou

Satao was a 45-year-old Kenyan elephant with tusks so long they brushed the ground. Poachers killed him in June with a poisoned arrow. African leaders gathered in Washington said there needs to be better cooperation on the continent to prevent poaching. Tsavo Trust hide caption

itoggle caption Tsavo Trust

Scores of African leaders gather in Washington this week at an unprecedented summit organized by President Obama. Paul J. Richards /AFP/Getty Images hide caption

itoggle caption Paul J. Richards /AFP/Getty Images

A still image taken from a video that the extremist group Boko Haram says is of more than 100 girls who were abducted from a Nigerian school last month. Rebel kidnappings of girls has become increasingly common in African conflicts. AFP/YouTube hide caption

itoggle caption AFP/YouTube

Magida Safaoui, right, and an assistant plate tomatoes at a Trio Toques event in April. Safaoui helps out the three chefs who run the restaurant. Doreen Akiyo Yomoah for NPR hide caption

itoggle caption Doreen Akiyo Yomoah for NPR

The new normal in Guinea is washing hands with a mixture of water and bleach--shown here at the border entrance of Buruntuma, in the Gabu area on Tuesday. Tiago Petinga/EPA /LANDOV hide caption

itoggle caption Tiago Petinga/EPA /LANDOV

Andrew Witty, CEO of GlaxoSmithKline, says that better control of infectious diseases in Africa is allowing chronic diseases to come to the surface. Mark Lennihan/AP hide caption

itoggle caption Mark Lennihan/AP

Indian schoolchildren wait in line for food at a government primary school in Hyderabad, India. Consistent access to nutritious food and clean water is key to helping children thrive, researchers say. Noah Seelam/AFP/Getty Images hide caption

itoggle caption Noah Seelam/AFP/Getty Images

Fon appliqué workers in 1971, Abomey, Republic of Benin. Eliot Elisofon/National Museum of African Art hide caption

itoggle caption Eliot Elisofon/National Museum of African Art

Kenyan writer Binyavanga Wainaina, one of Africa's leading literary figures, publicly declared his homosexuality in an online essay last weekend. In an interview with NPR's Tell Me More, he said the recent anti-gay legislation in Africa influenced his decision to come out. He's shown here after giving a television interview in Nairobi on Wednesday. AP/Ben Curtis hide caption

itoggle caption AP/Ben Curtis