Grant Gibbs

By IndepthAfrica
In Article
Aug 27th, 2012
0 Comments
6 Views
Guardian Reporters Bright ideas: A cellphone database for dairy farmers and a strain of sweet potato that can help fight child blindness. These are just two of the imaginative new ideas that are tackling Africa’s old problems 1. Hippo water roller Idea: The Hippo water roller is a drum that can...