Juba, the capital of South Sudan, is the fastest growing city in Africa, exhibiting the most rapid urban expansion and growth ever to take place in the region. Despite its explosive demographic and infrastructural expansion, the urban explosion has received virtually no attention from urban...

We link future members of Congress to the de-anonymized 1940 census to offer a uniquely detailed analysis of how economically unrepresentative American politicians were in the 20th century, and why. Future members under the age of 18 in 1940 grew up in households with parents who earned more...

Health care systems are at the frontline of delivering critical care during emergencies, mitigating illnesses and deaths. Yet many countries struggle to meet even routine demands for health care. Climate change, disasters, pandemics, and demographic changes are bound to increase pressures on...