The Roca brothers, three Spanish chefs, are U.N. goodwill ambassadors and creator of a very special chocolate. Courtesy of El Celler de Can Roca/SDGF hide caption

Marc Silver
Monday
Sunday
The nonviolent actions of Dr. King inspired young Kennedy Odede. In this March 21, 1965 file photo, King leads a civil rights march across the Edmund Pettus Bridge in Selma, Ala., to protest voting laws. AP hide caption
Thursday
Researcher Christian Nawroth with Vern, who lives at the Buttercups Sanctuary for Goats in Kent, England. He thinks Vern was looking to be scratched. Courtesy of Christian Nawroth hide caption
Monday
One of the fleet of turboprop ATR planes from Pakistan International Airlines. After a Dec. 7 crash, the ATRs were grounded — and resumed flying (after a goat sacrifice) on Sunday. Farooq Naeem/AFP/Getty Images hide caption
Thursday
Dr. Raj Panjabi has his blood pressure checked by a Liberian community health worker. Courtesy of Last Mile Health hide caption
Wednesday
A patient is pictured at a camp for diarrhea patients in Dhaka, Bangladesh. Among the past nominations for untold story: the need for vaccines to prevent "severe, deadly diarrhea" in this part of the world. Zakir Hossain Chowdhury/Barcroft Media via Getty Images hide caption
Saturday
Prisoner guard Thomas Binamo wrote a ballad after his wife died suddenly: "I Will Never Stop Grieving For You, My Wife." Marilena Delli/Six Degrees Records hide caption
Friday
Dr. Paul Farmer, co-founder of Partners In Health, stands with Mirlande Estenale in front of what used to be her home in the town of Les Cayes, Haiti. Liz Campa/Partners In Health hide caption
Thursday
Sunday
Tuesday
South Sudanese huddled for safety as fighting erupted in Juba on July 8. Eric Kanalstein/AP hide caption
Friday
Dancers are part of the #WhatIReallyReallyWant music video. YouTube hide caption
A goat in the barn at the Minnesota State Fair. Layne Kennedy/Getty Images hide caption
Friday
Boxes of aid items are stored at a disaster response center at Cotswold Airport in the United Kingdom. Stefan Wermuth/Getty Images hide caption
Demyte "Little Spot" was crowned the winner of Lithuania's goat beauty contest. Youtube hide caption