The official language is Swahili (Kiswahili), which is generally spoken, and various local languages abound. English is the second official language and the country’s commercial language as well as the main teaching language for all the scientific subjects in secondary schools and higher education institutions. Arabic is widely spoken in …

Over the past few years a growing number of people in the TED community have become passionate about Africa, a continent that appears to be at an important tipping point. Its problems and challenges are well known. Less well known is that across the continent, change is afoot. Instead of …