A Somali fisherman carries a fish to the market near the port in Mogadishu. One of the U.N. Sustainable Development Goals calls for the world to "conserve and sustainably use the oceans, seas and marine resources for sustainable development." Mohamed Abdiwahab/AFP/Getty Images 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
The "carpenter" parent thinks that a child can be molded, writes Alison Gopnik. The "gardener," on the other hand, is less concerned about who the child will become and instead provides a protected space to explore. Dan Kitwood/Getty Images hide caption
Samuel-Richard Bogobley holds a GPS-enabled tablet to capture the location of one corner of an underwater clam "farm" belonging to Kofi Amatey, in pink, in Ghana's Volta River estuary. Tim McDonnell/for NPR hide caption
A Pakistani health worker administers the oral polio vaccine to a child during a campaign in Karachi on May 7. Because of past attacks on vaccinators, security personnel are often assigned to accompany them. Rizwan Tabassum/AFP/Getty Images hide caption
A demonstration in Copenhagen, Denmark, in support of Syrian migrants. A new study looks at the benefit of offering physical and psychological support to refugees who have been tortured. Frédéric Soltan/Corbis via Getty Images hide caption
Doctors Without Borders staff enter an Ebola security zone at the entrance of the Wangata Reference Hospital in Mbandaka, in the Democratic Republic of the Congo. Junior Kannah/AFP/Getty Images hide caption
On May 13, people suspected of having the Ebola virus wait at a treatment center in the village of Bikoro, where the outbreak began in the Democratic Republic of the Congo. John Bompengo/AP hide caption
A Nigerian sex worker in Italy waits for clients. Antonio Calanni/AP hide caption
Kanye West surprised everyone -- including the U.N. -- by tweeting about the organization's sustainable development goals. Chris Pizzello/AP hide caption
Dario Garcia, who lives in Panama, volunteers to visit people who are HIV-positive to see whether they are taking their medications. Garcia himself is HIV-positive. "I feel alone," he says. "I believe the most support I have now is from others who have been diagnosed." Jacob McCleland for NPR hide caption