The quality of what pupils come to know, understand and are able to do has a big impact on students. Low quality leads to boredom as well as fear and anxiety about maths as a subject
The development community has overlooked the ethical dilemmas associated with raising one individual above others through farmer-to-farmer systems.
Trials have shown that rates of HIV infection are reduced if people not infected with HIV take anti-retrovirals - known as pre-exposure prophylaxis (PrEP). But adherence to a daily dose is a problem.
Athi-Kaputiei is close to Nairobi where undeveloped land is exceedingly scarce and expensive. This has made it a powerful magnet for people.
Acts of arson by Kenyan high school students have been characterised as 'mindless hooliganism'. But research shows that students are actually engaging in purposeful, reasoned political action.
Africa battles with a dearth of data and seems unable to scale up health innovations. If these can be systematically addressed, the continent can take great strides towards better health for all.
Kenyans need to be wary of early learning centres that pressure children with academic drills.
It's important to create spaces where the global South's problems can be presented, debated and solutions developed - including some that can be applied in similar economies.
Africa's cities are melting pots of activity and interaction. There are fears that the continent's next major modern disease crisis will emerge from them.
Africa's complex and seemingly insurmountable social and economic problems are a golden opportunity to demonstrate the value that research can bring. Scientists need to rise to the challenge.
It is a question of when, not whether, Kenya will pull out of the ICC. But it is also clear that there is some incentive for Nairobi not to withdraw immediately
Magufuli’s visit to Kenya reaffirms Tanzania as a leading regional actor. But it is also clearly designed to reset bilateral relations with Kenya which have been at best lukewarm on his watch
Ironically the campaign to withdraw from the ICC was mainly initiated by the very same governments and heads of state that had earlier referred cases to the ICC when it suited their own interests.
The ICC has made important advances by investigating cases outside Africa and completing ones that further define what is not allowed in war. South Africa’s withdrawal is concerning, but not fatal.
Intelligent trade policies can help limit the threats, including food security, that come with an uneven distribution of water resources across the globe.
A myth is doing serious injustice to the way historians have approached decolonisation.
So-called lifestyle diseases such as cancer and heart disease have been rising in Africa, adding to the already huge burden of disease in poor countries. But the research has not kept pace.
Over the past four decade populations of almost all the common wildlife species have fallen to one third or less of their previous levels
Recurrent fires in Kenya's Chyulu Hills have been linked to illegal activities and are often attributed to squatters who live in the hills.
Scientists from the developing world perceive current visa rules as a major impediment to professional travel. They miss out on opportunities to collaborate globally.