President Buhari’s promise to end decades of corruption in the oil industry
On the programme's first birthday, Kim and guests visit a girls' school in Johannesburg
Sopranos from the US and South Africa talk vocal strength, languages and being a diva
Most of the young Ethiopian bloggers known as the Zone 9 Bloggers have been acquitted.
Brian Cox and Robin Ince take to the stage in San Francisco to talk alien visitations
Why do sports fans follow club teams, even when they may live thousands of miles away?
The White House has described Russia’s action in Syria as motivated by 'weakness'
Two women from Iceland and Australia discuss farming's toughest challenges
Long-term weather forecasting could become more accurate by looking at stratosphere winds
Why WhatsApp is dominating the stage in the build up to elections in Tanzania