Visitors to these sites had one particular religious ritual that may strike some as strange: they carved graffiti in important and sacred places.
The aviation ambitions of several African countries are linked to Chinese investment.
Trachoma is the leading cause of preventable blindness.
Uganda is the testing ground for a new vaccine that could work on more strains of the Ebola virus and other haemorrhagic fevers.
Private military and security companies are increasingly being contracted in Africa. But there are big gaps in understanding their impact.
Africa's democracies have grown stronger during a period in which the world is backsliding on democracy.
Each year 50 000 people from 89 countries, in every continent except Antarctica, die from leishmaniasis, an ancient neglected disease.
A government-imposed internet blackout in Sudan is the latest in a series of internet shutdowns as a means to quell dissent.
A cheap and simple technique could revolutionise treatment for tooth decay, especially in poor countries.
Ensuring meaningful participation of women in the transitional government can be a first step toward achieving gender equality in a future Sudan.
The Janjaweed militia first came into play when Omar al-Bashir's government deployed it in Darfur
When the establishment retains some leverage over reformers change can be slow, superficial, and short-lived. Sudan appears to be a textbook case of this scenario.
History shows that when government elites believe that there is a risk that they may lose control of the capital, they escalate targeted violence against civilians.
The killing of protesters by the Sudanese military signifies its reluctance to hand over power, as demanded by the African Union.
The African Union and its member states are creating their own interpretation of immunity which will protect its heads of state from courts abroad.
The African Union's policy offers no wriggle room for a discretionary response to coups, a scourge that imperils the consolidation of democracy.
There are challenges that Sudan must overcome before power is transferred to its people.
The immediate cause of the economic crisis that brought many thousands of Sudanese onto the streets and continued beyond al-Bashir's downfall lay in the structure of the economy itself.
Women in Sudan have been resisting the controls placed on them for some time - by using their smart phones and social media to trade.
Urban public spaces may be built to represent governments, but often become sites of protest.