Ethiopia’s mega dam has taken 14 years to build: what it means for the Nile’s 11 river states and why it’s so controversialJohn Mukum Mbaku
ARV breakthrough: trial in South Africa confirms effectiveness of new drugMichelle Moorhouse & Willem Daniel Francois Venter 29 Nov 2019
Ebola one year on: the wins, the setbacks, and the way forwardShirin Ashraf & Emma Thomson 30 Sep 2019