Are we witnessing the end of an era in which dictators stayed in power for decades? If so this must be good not only for Angola and Zimbabwe but for southern Africa as a whole.
Policy choices made by Senegal, Ghana, Rwanda, Angola, Cameroon, Ethiopia and Togo over the past 15 years have led to significant reductions in child undernourishment.
Elephants have the highest count of olfactory receptor genes of any species tested to date. This suggests that they may be the best smellers in the animal kingdom.
Archaeology is not only about stones and bones: it is mainly about the people of the past. DNA is one way to get from the stones and the bones to the people and their stories.
Angola's recent election results showed the ruling MPLA losing support across the country. If opposition claims are to be taken seriously, the losses could be more severe than they appear.
Angola's president-elect, João Lourenço, has a reputation for relative probity. But, he's unlikely to rock the boat as Eduardo dos Santos remains party chairman.
Health care systems in many African countries are very poor. Instead of fixing them, many African leaders seek medical attention abroad incurring huge bills which are ultimately paid by taxpayers.
Democracy is in a parlous state in many countries in southern Africa. Autocrats hold onto power, while electorates have little to choose from at the polls.
For a military battle whose outcome is still hotly contested 30 years later, the impact was so remarkably clear -- independence for Namibia, peace for Angola and the death knell for apartheid.
Brazilian soap operas are wildly popular in Portuguese-speaking Angola, influencing women's fashion and creating a business opportunity for thousands of Angolan female entrepreneurs.
The growth of new, vibrant, independent media sites and projects in South Africa have challenged conceptions of what a newsroom is. On limited budgets, some even fare better than mainstream media.
It's hard to award a prize to esteemed former leaders when so many are determined to die in office.
Portugal used radio propaganda in its colonies in the 1960s against local liberation movements. Decades later there are still lessons to be learned for occupying armies from their failed strategies.
Many Ethiopians regard Castro as the man who saved their country. Somalis view him as the man who denied them the Greater Somalia re-union
A peaceful transition in the Gambia, taken together with hints of change in Angola and Zimbabwe, will portend hope that Africa’s democratic renewal is still alive.
A brave foreign policy changed history in Angola and South Africa.
Economic growth alone won't end hunger. Good policies and programmes are needed, too. Scientists and researchers have a role to play in these initiatives.
It is important to nurture local companies and increase domestic participation in Africa's emerging oil economies.
Getting more women into science, technology, engineering and maths fields is a process that involves many parts of a society. Several African countries are setting the pace.
At least a dozen sub-Saharan Africa countries have raised debt through sovereign bonds. The chickens are now coming home to roost.