Science
Covid-19: Making sense of “R”
It’s a useful but much misunderstood concept for explaining the course of the epidemic
By Max Price
Science | 19 May 2020
Enjoy the fresh air while it lasts! Lockdown causes drop in SA air pollution
This may be little comfort to people facing hunger or crippling job losses because of the lockdown, but air pollution is nevertheless a major global killer
By Tony Carnie
Science | 8 May 2020
Tim Noakes interview is dangerously misleading
And it contains elementary errors
Science | 13 April 2020
Covid-19: Come on South Africa, let’s make masks
Home-made masks can help protect us from the virus
By Heather Zar
Science | 10 April 2020
Covid-19: What do South Africa’s numbers mean?
We explain confirmed cases, death rates and more
By Marcus Low and Nathan Geffen
Science | 8 April 2020
Beware these fake claims about Covid-19
We debunk nonsense being spread about the pandemic
Science | 6 April 2020
How many people could die of Covid-19 in South Africa?
Researchers estimate deaths based on Chinese and Italian data. But we can take action to stop the worst outcomes
Science | 29 March 2020
Covid-19: Why testing takes time and what to expect
There’s a lot more going on behind the scenes in the testing labs than most patients realise
By Fatima Khan
Science | 25 March 2020
Covid-19: Why “test, test, test” is easier said than done
Both money and logistics are barriers to scaling up the number of tests for the novel coronavirus
By James Stent and Nathan Geffen
Science | 17 March 2020