A Madison Water Utility Crew works to dig up and replace a broken water shutoff box in preparation for a larger pipe-lining project. Madison started using copper instead of lead pipes in the late 1920s.
A Bolivian farmer harvests organic quinoa in his fields in Puerto Perez, Bolivia. Some researchers are working with quinoa farmers in Bolivia and Peru to try to develop internal markets for threatened varieties — for example, in hospital and school food programs.
A Myanmarese migrant and her child seek care at a refugee health clinic in Mae Sot, Thailand. Mae Sot, a town along the Thai-Myanmar border, is home to many Myanmarese migrants, some of whom are there illegally.
Wudan Yan/for NPR
The village of Hoosick Falls, N.Y., sits along the Hoosick River in eastern New York. Elevated levels of a suspected carcinogen known as PFOA were found in the village's well water, which is now filtered.
Hansi Lo Wang/NPR
Dr. Dorry Segev (right), of Johns Hopkins Medicine, led the team of doctors that transplanted an HIV-positive liver and kidney into two different HIV-positive patients this month.
Johns Hopkins Medicine