The fact that some people get bitten by mosquitoes and not others is more than a sore distraction for many. It’s also an important question to answer for scientists and health officials trying to bring Africa’s high levels of deaths from malaria under control. Madelien Wooding and Yvette Naudé set out how their research has advanced our understanding of factors that might be at play, taking us that little bit closer to solving the conundrum.

Dating back to pre-colonial Rwanda, a unique athletic performance akin to modern-day high jump formed part of regular ceremonies in the royal court. In the first half of the 20th century, foreign spectators marvelled at heights cleared by young athletes, proclaiming them to surpass anything seen at the Olympics. But were they? In the first scientific analysis of pictures and film taken 100 years ago, Ine Van Caekenberghe finds that the jumps were indeed remarkable and Olympic class. But it’s not true that they would have upended the world records of the day.

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Getty Images

Was traditional Rwandan high-jumping really Olympic class? What we found

Ine Van Caekenberghe, Ghent University

Gusimbuka athletes could jump very high, probably due to their inherent talent, which was recognised early and developed further.

Samimfocus/Shutterstock

We’re a step closer to figuring out why mosquitoes bite some people and not others

Madelien Wooding, University of Pretoria; Yvette Naudé, University of Pretoria

There is a chemical skin surface difference between individuals who perceived themselves as being attractive for mosquitoes and those that weren't.

Arts, Culture + Society

Why young Nigerians are returning to masquerade rituals, even in a Christian community

Kingsley Ikechukwu Uwaegbute, University of Nigeria

Over the past 15 years there's been a revival of young people - mostly Christians - participating in traditional masquerades, despite these being branded as pagan.

South Africa sets out to protect cast and crew involved in nudity and sex scenes

Fiona Ramsay, University of the Witwatersrand

Spurred by the impetus of the #MeToo movement, South Africa's is the latest film and TV industry to introduce intimacy protocols to guide how intimate scenes are conceived and executed.

Kenya and Tanzania: how sport affects nationalism, and attitudes towards refugees

Leah R. Rosenzweig, Stanford University; Yang-Yang Zhou, University of British Columbia

National sports victories increase nationalism and national pride, but can also influence attitudes towards refugees.

How we proved a Rembrandt painting owned by the University of Pretoria was a fake

Gerard de Kamper, University of Pretoria; Isabelle McGinn, University of Pretoria

For decades the donated painting was proudly displayed as an original. But then the university began an academic unit that tests the authenticity of artworks and objects...

Business + Economy

Social impact bonds fund welfare projects: how South Africa’s first two have done

Zoheb Khan, University of Johannesburg

Two social impact bonds that have concluded in South Africa showed that they got innovation going where it was desperately needed.

International aid to Africa needs an overhaul. Tips on what needs to change

Tigist Mekonnen Melesse, University of California, Berkeley

The way foreign aid is disbursed needs to be revisited to avoid the traps it's fallen into in the past.

Kenya launches Lamu port. But its value remains an open question

Jan Bachmann, University of Gothenburg; Benard Musembi Kilaka, University of Gothenburg

The Lamu port is part of an ambitious transport corridor with the aim of integrating marginalised northern Kenya into the Kenyan economy and the nation.

Ethiopia’s blockchain deal is a watershed moment – for the technology, and for Africa

Iwa Salami, University of East London

It's time to shift focus away from bitcoin and to pay more attention to other blockchain projects promising to make real contributions to the world.

Politics

Fixing local government in South Africa needs political solutions, not technical ones

Steven Friedman, University of Johannesburg

The problem in municipalities is not that the wrong people are being chosen. It is that the wrong people are doing the choosing – not only of candidates but of what they do if elected.

Why few women in Senegal speak out about their rapists

Beth D. Packer, Tufts University; Juliana Friend, University of California, Berkeley

The Senegalese culture of discretion, called "sutura", inhibits survivors of sexual violence from publicly denouncing perpetrators.

Health + Medicine

South Africa must ban sugary drinks sales in schools. Self regulation is failing

Agnes Erzse, University of the Witwatersrand; Karen Hofman, University of the Witwatersrand; Nicola Christofides, University of the Witwatersrand

A ban on sugary drinks sale and advertisements in schools is likely to hold more promise in improving the diets of children and help prevent obesity in children than voluntary actions.

Low trust in authorities affects vaccine uptake: evidence from 22 African countries

Jean-Francois Maystadt, Lancaster University; Kalle Hirvonen, The International Food Policy Research Institute (IFPRI) ; Nik Stoop, University of Antwerp

Even where vaccines are available, one barrier to progress is vaccine hesitancy: the reluctance or refusal to vaccinate.

Science + Technology

What genetic analysis reveals about the ancestry of South Africa’s Afrikaners

Jaco Greeff, University of Pretoria; Carina Schlebusch, Uppsala University

Given the central role that ethnicity played and still plays in South African politics, it is good to have an unbiased estimate of Afrikaners' genetic history.

Maps can bridge gaps between citizens, scientists and policymakers

Sukhmani Mantel, Rhodes University

A greater understanding of interconnectedness created by river maps could influence people to become more engaged with conserving river systems.

Environment + Energy

Nigeria could gain by promoting more biodiversity awareness among its citizens

Emmanuel O. Akindele, Obafemi Awolowo University

Nigeria must improve biodiversity awareness among its citizens to stem animal poaching and halt biodiversity loss.

Pasha 107: Exploring the use of the moringa plant in South Africa

Ozayr Patel, The Conversation

Moringa as a crop is on the rise in South Africa. But more must be done to make use of this versatile, climate resilient plant.

Education

Conflict kills education: Rwandan experiences show how lost years can be recovered

Miho Taka, Coventry University

Governments and agencies should prepare second chance opportunities for formal education as emergency situations may last for several years and create a backlog of education.

Boosting connectivity in African universities: a lofty ideal, but doable

Willie Tafadzwa Chinyamurindi, University of Fort Hare

African governments should prioritise investment in high speed internet connectivity because it can have spillover benefits for education systems, as well as economic and social growth.

 

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