The public debate on strategies to tackle Covid-19 often unhelpfully positions health and economic considerations in a diametric fashion – as trade-offs. The two need to be parts of a coherent whole.
Author: The Conversation
Most people by now have heard of severe acute respiratory syndrome coronavirus-2, or Covid-19. But some may not be aware that Sars-CoV-2 belongs to a family of viruses. And the family is, we fear, expanding.
In the absence of evidence that has withstood public scrutiny, President Cyril Ramaphosa may have gone too far by imposing a three-week national lockdown. By Seán Mfundza Muller.
The coronavirus outbreak is causing people to rethink the handshake and seek other gestures that perform similar functions without touch.
Mathematical modelling can be used to show that increasing tariffs, which encourages consumers to invest in alternative energy supplies, puts Eskom at risk.
Thousands of new satellites have the potential to revolutionise many aspects of everyday life. Amid all the fanfare, though, a critical danger has flown under the radar: the lack of cybersecurity standards and regulations.
About 81.3% of those who wrote matric in 2019 passed. What the country is not hearing about from the minister of basic education, Angie Motshekga, is the drop in performance in mathematics.
The largest decline in reliable electricity supply in recent years occurred in South Africa, but much of the rest of the continent is in far worse shape as electrification projects have stalled.
A few months ago, a group of Nasa exoplanet astronomers, who are in the business of discovering planets around other stars, called me into a secret meeting to tell me about a planet that had captured their interest.
Work is tied to our constitution as a species. And this fact is too often overlooked in discussions about the future of work.