South African winner of Earth and Life Sciences Award, Professor Salim Abdool Karim (right) and Cameroon winner of Basic Sciences, Technology and Innovation Professor Timoleon Crepin Kofane during the Kwame Nkrumah Scientific Awards 2015 held at the new African Union Building at Addis Ababa, Ethiopia, 31/01/2015. Photo: Siyasanga Mbambani/DoC.