RISE -Tapping Africa's Scientific Potential

When John Mwero looks at charred sugar cane ash he sees sturdy bridges, soaring skyscrapers and stable roads. He's convinced that bagasse ash - the residue that's left after processors suck out the sugar and burn the cane, has the potential to make cement stronger and cheaper.

Read "Tapping Africa's Scientific Potential" inĀ allafrica.com