Meteorites contain a wealth of information about the origins of our solar system, helping us to understand their, and even Earth’s, origin and evolution.
While the experience of transitioning from higher education to entrepreneurship was challenging, participants were able to draw heavily from informal networks to build and grow.
Many African countries have a major youth unemployment problem. With growing populations, more must be done to create jobs and help young people develop the right skills.
For want of state support or formal employers, slum dwellers in South Africa and Kenya rely on street savvy, friends and a strong tolerance for hardship and precarity to do business.
South Africa is making improvements to repair the country’s weak state of saving. The changes have important implications for people planning for retirement.
Containing and extinguishing mega blazes like the one that reached Jasper is an all-hands-on-deck affair that draws upon expertise from around the world.
What do you know about your national currency? How about the cash used overseas? We studied wildlife imagery on banknotes around the world. Here’s what we found.
Dean Faculty of Health Sciences and Professor of Vaccinology at University of the Witwatersrand; and Director of the SAMRC Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand