Human Needs

Health & Medicine

How 'big data' could help stop the spread of Ebola

When it comes to containing an outbreak like Ebola, anticipating where it might spread next is crucial. Until somewhat recently, however, the only way to do that was through untimely census records. But with the proliferation of so-called "big data," epidemiologists can track in real time where West Africans are headed — and where they might be spreading the disease.

Development & Education

A novice humanitarian aid worker confronts mayhem in the field

Imagine you're 27 years old, and assigned to one of your first humanitarian aid missions. You land in Darfur and find yourself in charge of a camp of some 24,000 desperate Sudanese, many fleeing violence and literally knocking down the doors of your home base. That's just the opener in Jessica Alexander's new memoir: Chasing Chaos: My Decade In and Out of Humanitarian Aid.