The World Health Organization has endorsed waiting to clamp the umbilical cord for at least one minute after a baby is born. Sebastien Desarmaux/Godong/Science Source hide caption

itoggle caption Sebastien Desarmaux/Godong/Science Source

Researchers meet participants: (from left) investigator Jose Luis Roca; Dr. Ernesto Ortiz; study participants Rainer Leon and his mother, Rina Leon Chanbilla; and nurse Jennifer Rampas. Jason Beaubien/NPR hide caption

itoggle caption Jason Beaubien/NPR

Kids in Cape Town socialize as they walk to school. Children in South Africa often don't get to play outside by themselves because of the high rate of violent crimes in some areas. Henk Badenhorst/Getty Images hide caption

itoggle caption Henk Badenhorst/Getty Images

A photo from April shows protesters in Sacramento, Calif., rallying against a bill that would require all school-age children to be vaccinated. The state Senate just passed the measure. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP

On Sunday, about 70 marchers gathered at Seoul's City Hall Square to raise attention for South Korea's single moms. The annual event is in its fifth year. Elise Hu/NPR hide caption

itoggle caption Elise Hu/NPR

Carolyn Walworth is a junior at Palo Alto High School (the main building of which is shown here in 2012). After four recent suicides in her school district, she wrote an op-ed about the stress faced by students in the area, which is home to some of the nation's most competitive public high schools. Ho John Lee/Flickr hide caption

itoggle caption Ho John Lee/Flickr

A free pregnancy test dispenser hangs next to a condom dispenser in the women's restroom at the Peanut Farm bar in Anchorage. Anne Hillman/KSKA hide caption

itoggle caption Anne Hillman/KSKA

A group of mothers and infants celebrate a recent graduation from the Harlem Children's Zone Baby College program. Marty Lipp/Courtesy of Harlem Children's Zone hide caption

itoggle caption Marty Lipp/Courtesy of Harlem Children's Zone

A nurse holds a young girl who was vaccinated at the kickoff of a national measles prevention campaign in Liberia. Jason Beaubien/NPR hide caption

itoggle caption Jason Beaubien/NPR

Lami Musa, 27, cradles her 5-day-old baby girl at a refugee camp clinic. One of the women rescued from Boko Haram, she says her husband was killed before she was abducted by Islamist extremists. Sunday Alamba/AP hide caption

itoggle caption Sunday Alamba/AP

Worth a little pain? Back in 1990, a school boy got a measles shot in the U.K., and it turns out, he got more than protection against the measles. Photofusion/UIG via Getty Images hide caption

itoggle caption Photofusion/UIG via Getty Images

Back in 2012, Silver Diner — a fast-casual restaurant chain in Maryland and Virginia — completely overhauled its children's menu. Those changes helped dramatically improve the healthfulness of kids' meals ordered, a new study finds. Ron Cogswell/Flickr hide caption

itoggle caption Ron Cogswell/Flickr

"[The family is] like a startup — where basically everybody has to contribute, you have to adapt all the time, you need some order, but you've got to keep moving forward." — Bruce Feiler Courtesy Of TED hide caption

itoggle caption Courtesy Of TED