Cold-chain and two-dose requirements for promising vaccine candidates pose serious challenges for Native American communities without reliable electricity or transportation.
Poverty pushes Cambodian women to sell their hair, feeding demands for first-world vanity.
Local police departments are turning to private training organizations that specialize in military combat techniques, as they prepare to possibly face an active shooter.
After parents immigrate to provide for their families, they struggle to stay connect with their children.
Bolivian President Evo Morales earlier this month unveiled new decrees to protect children and adolescents, but critics said the government struggles to safeguard children who work as young as 10.
Kenyan entrepreneurs help Africa's aspiring engineers succeed.
The Moringa School is providing tech training to students in Kenya. Participants learn how to code and develop mobile apps. The school says they have a 95 percent job placement rate for graduates.
At risk of extinction in as little as 10 years, African conservation groups work to protect one of the continent’s most precious animals.
Dan Metcalfe wants to know what will happen to cloud forests when the mist that bathes them disappears, as climate models predict will occur later this century.
The biggest wave of Cuban migration since the 1990s has divided families, causing anguish and uncertainty. Cubans say they don't expect to see their relatives back home for at least a year.
Inflatable Santas and other trappings of Christmas have sprung up all over Havana. Many Cubans making less than $20 a month say they can barely afford gifts, but have plenty of holiday spirit.
Human rights activists want to meet with Pope Francis when he visits Cuba in September. Government supporters fear dissidents will try to disrupt the pope's visit.