Editor's note

Ghanaian diplomat and former UN Secretary General Kofi Annan, who has died at the age of 80, played a critical role in many key events of the 1990s and 2000s. Danny Bradlow examines Annan’s legacy, his successes and failures. And Abdul-Jalilu Ateku pays tribute to the man he calls a humanitarian, a true statesman and a peacebuilder.

Thabo Leshilo

Politics + Society Editor

Top Stories

Kofi Annan: a complicated legacy of impressive achievements, and some profound failures

Danny Bradlow, University of Pretoria

Kofi Annan was the first UN employee to rise to the position of Secretary General but his tenure also had a darker side.

Kofi Annan: a man who paid his dues to global peace and security

Abdul-Jalilu Ateku, University of Nottingham

Kofi Annan's tenure began after the reintroduction of two important international security lexicons -- peacebuilding and human security.

Politics + Society

Explainer: what’s driving the demolition of 4000 buildings in Nairobi

Sean Avery, University of Leicester

Riparian zones are meant to be a vital part of Nairobi's drainage system, but they've been built on.

Governor’s race in Ekiti points to problems in national Nigerian poll

Oludayo Tade, University of Ibadan

Nigerians go to the polls in 2019 in an election that the incumbent Muhammadu Buhari wants to win by any means necessary.

Business + Economy

Inquiry sets out how parts of the private health care sector in South Africa can be fixed

Frederik Booysen, University of the Witwatersrand

Findings from South Africa's Health Market Inquiry makes recommendations to close the information gap between service providers and consumers.

Why South Africa’s main opposition isn’t gaining traction against the ANC

Roger Southall, University of the Witwatersrand

South Africa's official opposition, the Democratic Alliance needs to face its racial dilemmas.

Health + Medicine

Africa’s meningitis belt: why there’s a case for a booster vaccination drive

Judith Mueller, École des hautes études en santé publique (EHESP) – USPC

Vaccines that help prevent meningococcal disease don't give lifetime protection.

How an app is helping to collect genetic data in Ethiopia and Ghana

Shane C Quinonez, University of Michigan

There is a need for genetic services in low and middle-income countries.

Science + Technology

New telescope chases the mysteries of radio flashes and dark energy

Kavilan Moodley, University of KwaZulu-Natal

By sharing a location with the SKA, HIRAX will be able to conduct science in “radio-clear” skies across its wide frequency range.

What’s stopping young African scientists from achieving their potential

Anna Coussens, University of Cape Town; Abidemi James Akindele, University of Lagos; Badre Abdeslam, Université Mohammed V de Rabat; Fridah Kanana, Kenyatta University; Mona Khoury-Kassabri, Hebrew University of Jerusalem

The Global State of Young Scientists Africa project investigates the challenges that shape the career trajectories of young African scientists.

Environment + Energy

Beehive fences and elephants: Tanzanian case study offers fresh insights

Katarzyna Nowak, University of the Free State

There is indeed merit to using beehives to keep elephants from eating and destroying crops.

African agriculture has a lot to gain from increased access to big data

Esther Ndumi Ngumbi, University of Illinois at Urbana-Champaign

Big data can be used to properly advise smallholder farmers in Africa and help guide pest monitoring efforts.