Junior amateur swimmers pose for photographers in the London 2012 Olympics Aquatic Center in east London.
Cameroon's President Paul Biya removed a two-term limit so that he could run for reelection. He's likely to win, but recent angry rhetoric and violence hint at significant discontent.
Major multinational mining companies have been flocking to West Africa over the past few years, as iron ore's soaring price and Africa's cheap labor have offset concerns about regional instability.
Service providers are looking to introduce banking by phone, which revolutionized Kenya, to western Africa. But the lack of a dominant, single provider poses new challenges.
Although African incumbents facing reelection have so far performed well, those still facing votes will need to tread carefully amid rising public anger.
Habitat destruction drives species extinct more slowly than previously thought, according to a new model described in this week's Nature. 'We have bought a little time for saving species,' says scientist.
Technology holds promise for Africa's young people by giving them greater economic opportunity, but sometimes that opportunity is in niches such as music piracy.
A new Amnesty International report finds that the use of the death penalty is declining worldwide and that in a number of countries, even when death sentences are issued, they are not carried out.