
Pien Huang
Mothers and their babies in Nigeria wait at a health center that provides vaccinations against polio. Vaccination rates lag in the middle-income country. Hannibal Hanschke/Picture Alliance/Getty Images hide caption
Malassezia is a genus of fungi naturally found on the skin surfaces of many animals, including humans. The researchers found it in urban apartments, although some strains have been known to cause infections in hospitals. Science Source hide caption
Children attend school in the Syrian refugee camp Zaatari, in the north of Jordan, about an hour's drive from Amman. Soeren Stache/Picture Alliance/Getty Images hide caption
Newborns are treated at a pediatric hospital in Hanoi, Vietnam. The rates of childhood mortality have improved in Hanoi but remain high in more rural parts of the country. Richard Vogel/AP hide caption
Grandmother Maria Jose holds her twin granddaughters Heloisa (right) and Heloa Barbosa, both born with microcephaly, during their one-year birthday party on April 16, 2017, in Areia, Paraiba state, Brazil. Mario Tama/Getty Images hide caption
Naked mole rats are eusocial, which means they live all crowded together, in a colony underground. Gregory G Dimijian/Getty Images/Science Source hide caption
A common guillemot (Uria aalge) brings a sprat to feed to its chick. The laying dates of this species were followed for 19 consecutive years on the Isle of May, off the coast of southeast Scotland. According to a new paper in Nature Communications, many birds are adapting to climate change — but probably not fast enough. Michael P. Harris hide caption
Overall in medical research, the proportion of participants with non-European ancestry is only about 20 percent, says Columbia University bioethicist Sandra Soo-Jin Lee. And that's a problem. Tek Image/Science Photo Library/Getty Images hide caption
Diver swimming over Elkhorn Coral in the Florida Keys. Elevated nutrients as well as elevated temperatures are causing a massive loss of this iconic branching species in Florida. JW Porter/University of Georgia hide caption
Florida's Corals Are Dying Off, But It's Not All Due To Climate Change, Study Says
Snowball, the dancing cockatoo. Irena Schulz Via YouTube/ Screenshot by NPR hide caption
Thousands of monarch butterflies gather in the eucalyptus trees at the Pismo State Beach Monarch Butterfly Grove. George Rose/Getty Images hide caption
This oblique view of the Himalayan landscape was captured by a KH-9 Hexagon satellite on Dec. 20, 1975, on the border between eastern Nepal and Sikkim, India. Josh Maurer/LDEO hide caption
Doctors who experience burnout are prone to cut back on hours or quit practicing medicine. This costs the health care system billions, new research finds. Runstudio/Getty Images hide caption