Marc Silver

Rohingya children carrying firewood into the Kutupalong camp in Bangladesh. Refugees have stripped almost all the area vegetation to use in cooking fires. Allison Joyce for NPR hide caption

Soumana Saley, a leather craftsman from Niger. Pearl Mak/NPR hide caption

In 2016, NPR correspondent Ofeibea Quist-Arcton shared breakfast with Anthony Bourdain at Marché Kermel in Dakar, Senegal. CNN hide caption

A worker disinfects shoes outside the Ebola security zone at a hospital in Mbandaka in the Democratic Republic of the Congo. Junior Kannah/AFP/Getty Images hide caption

Consolata Aganga goes door-to-door as a community health worker, a demanding volunteer job. "It is God who gives me the strength," she says. She is also a small-scale farmer, growing vegetables for her family. Marc Silver/NPR hide caption

Winners of the 2018 Skoll Awards for Social Entrepreneurship (from left) are Jennifer Pahlka, Harish Hande, Jess Ladd, Lesley Marincola, Anushka Ratnayake and Barbara Pierce Bush. David Fisher/Skoll Foundation hide caption

See that little brown critter and that little white critter? They're goats stuck on a bridge in western Pennsylvania. The white goat is facing in the wrong direction to walk off the beam, about 100 feet high, and return to solid ground. Todd Tilson/PA Turnpike Commission hide caption

A Rohingya refugee carries a bag of food in the Hakimpara camp in Bangladesh. Allison Joyce for NPR hide caption

Chemotherapy has made a tremendous difference in survival rates for children with acute lymphoblastic leukemia, the most common type of childhood cancer. FatCamera/Getty Images hide caption