Haitians protest in front of a U.N. office on Oct. 15, 2015, demanding reparations for families of people who suffered or died from cholera. The outbreak started in 2010, claiming some 9,000 lives.
Hector Retamal/AFP/Getty Images
This is what's called a "specimen lot" — a large mason jar holding smaller vials of parasitic worms gathered by a researcher in 1927. The Smithsonian collection has more than 120,000 specimen lots.
Cleopas Kapembwa Chisanga of Zambia, who is HIV positive, is the subject of a new video and will be broadcasting from this week's International AIDS Conference in Durban, South Africa.
Sydelle Willow Smith/International Aids Society
David Gilkey is seen in 2013 at NPR's Afghanistan bureau as he started a month in the country. David wore silver bracelets on his wrist as a kind of good luck charm. He said every time he had a near-death experience, he let one go. He threw one into the Euphrates River after the second battle of Fallujah. Another went into the Helmand River after he covered the arrival of U.S. Marines in 2009.
Graham Paul Smith/NPR