Dr. Etheldreda Nakimuli-Mpungu is one of this year's winners of the Elsevier Foundation Award for female scientists in the developing world. Victoria Sarno Jordan/NPR hide caption

Feet and ankles are a feast for mosquitoes. Joel Sartore/National Geographic hide caption

Jamaica's Ministry of Health released a reggae music video about how people can protect themselves against the Zika virus. YouTube hide caption

A colored-in microscopic image of the parasite that causes African sleeping sickness (teal) among red blood cells. Georg Gerster/Science Source hide caption

Manyang Reath had never seen snow until he moved from Sudan to Richmond, Va., in 2005. Here he is in 2008, embracing it. Courtesy of Manyang Reath hide caption

These U.N. posters remind staff that sex for cash or barter is prohibited. United Nations hide caption

Girls at dance practice during Season 1 of East Los High. Hulu hide caption

Holi, a festival that welcomes spring, is celebrated with public spraying of colorful powders. Rajasthan, India, 1996. Steve McCurry/Courtesy of Phaidon hide caption

The most-viewed Goats and Soda stories of 2015. NPR hide caption

Medical workers surround 34-day-old Noubia, the last known patient to contract Ebola in Guinea, as she was released from a Doctors Without Borders treatment center in Conakry on Nov. 28. Cellou Binani/AFP/Getty Images hide caption

Clara, 27, plays with her son. Both of them are HIV-positive and have had TB; they live in South Africa. Misha Friedman hide caption