9 October 2013
While antiretroviral drugs against HIV are getting more effective and allow HIV-positive people to live longer, the ultimate prize is to find a way to cure people of the virus, the best hope being a vaccine.
4 September 2013
Natural gas extraction is being promoted as the solution to South Africa's energy crisis. Shell and other energy companies want to harness the untapped reserves of natural gas below the Karoo using fracking. This is meeting stiff opposition, particularly from residents of the Karoo who are concerned about the risks.
12 August 2013
Patenting of genes incentivises research and the discovery of new treatments, tests and drugs. But does the exclusive ownership of biological material stop the sharing of information and prevent treatment getting to the people that need it?
29 July 2013
Having a baby in South Africa can be dangerous. Despite a large government budget for maternal health and free maternity care in the public health system, the rate at which pregnant women die is troubling.
30 May 2013
Flu infections follow seasons, typically rising in winter and dropping in summer. As it moves, a virus mutates, with the risk that with every new flu season, a highly infectious virus could come back more deadly than before. We struggle between the hype of a new disease and the potential threat it imposes.
8 May 2013
In poverty-ridden countries with a lack of funds and resources, it is critical that the most cost-effective government treatment programs are used. The decision about which programs are the most beneficial needs to be driven by solid, swift science.
24 April 2013
In 1951, Henrietta Lacks was diagnosed with cervical cancer. She had an aggressive tumour that quickly took over her body. Less than a year after being diagnosed, she died; leaving behind a devastated husband and 6 children. She was 31 years old. But even in her death, some of her cells lived on; dividing and growing, making trillions more cells than ever existed in her body. The combined weight of these cells is now over 400 times what Henrietta Lacks weighed when she was alive.
3 April 2013
This is the first of an occasional new feature science column from GroundUp. We hope these short articles will make science more popular and encourage learners to study science. Today's article by Kerry Gordon describes how in 2011, game players solved a difficult science problem.