Doing fieldwork in Ethiopia, Professor James McCann learned that a move away from traditional crops like barley and sorghum to maize coincided with an explosion in cases of malaria......
The World Cup football tournament kicks off in one week, and host South Africa is busy putting on the finishing touches. But not everyone is looking forward to the tournament. Authorites in cities including Cape Town are being accused of clearing the poor from the streets - to create a good impression for visiting fans. Al Jazeera's Haru Mutasa has more.