These shrimp "Peking ravioli" (aka dumplings) were featured at the third annual Festival of Dumplings in 2014 — honoring Bostonian and celebrity chef Joyce Chen. Pat Greenhouse/The Boston Globe via Getty Images hide caption

Different types of THC-infused confections are left on display at Amazon Organics, a pot dispensary in Eugene, Ore. Ryan Kang/AP hide caption

Israeli sisters (from left) Liron, Tair and Tagel Haim, who make up the band A-WA, perform in Jerusalem. Menahem Kahana/AFP/Getty Images hide caption

A pneumococcal vaccine is delivered via motorcycle in Kenya. Evelyn Hochstein/Courtesy of Gavi hide caption

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