Mo Farah says he is a "clean athlete" after a leaked report suggested his American coach may have broken anti-doping rules.
One of the world's biggest football clubs, Barcelona is taking its skills to Nigeria.
The simple up-and-down motion of hand pumps could help scientists secure a key water source for 200 million people in Africa.
What it was like growing up intersex in Uganda
Hijab haute couture, bagpipes and praise singers
Why do Ghanaians leave home for abroad?
Why a Muslim leader wants to ban polygamy to stop terrorism
Why do so many people face starvation?
Albino attack survivor lives in fear of more attacks
Have US sanctions on Sudan backfired?
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Is travel insurance completely pointless?