Scientists are working to stop UG99, a wheat plant disease, before it spreads further and threatens global food supply.
Private aid organizations are struggling to maintain their funding levels for relief efforts in the wake of multiple crises around the world.
Kenyan troops have been drawn into the civil war in Somalia between the government and al-Shabab militants as desperate refugees flee to Ethiopia to escape violence and famine.
A report from Ghana, a West African nation that is making progress in ethical leadership, an inclusive economy and a vibrant, free press.
Voting begins for Southern Sudan's referendum.
One man's attempt to bridge the digital divide in one of Johannesburg's poorest neighborhoods.
A look at South Africa 16 years after Apartheid, including an interview with Archbishop Emeritus Desmond Tutu.
New efforts in Kenya to move people out of slums and into homes.
