Can a new heat-resistant vaccine for the highly contagious rotavirus save the lives of children in Niger?
Staying fit and healthy is not easy in a slum, and many residents must perform a delicate balancing act to get by.
After an EU referendum campaign replete with racism and fear, we examine the British media's impact on the result.
A ski industry has sprung up in the remote alps of Afghanistan. But will this enterprise survive a resurgent Taliban?