From Stellenbosch to Saskatchewan: microbes across the globe

by Marcelle van Niekerk   A whiteboard dominates the wall of Professor Gideon Wolfaardt’s office. Permanent markers leave trails of colourful writing, bleeding into hastily drawn sketches. In the corner there’s a drawing of what looks like a bullet. Wolfaardt himself finishes typing on his computer and pushes it away. “Sorry, I was busy with…

Nuclear waste is going nowhere slowly

Generations from now, there will still be no-go areas storing radioactive by-products of nuclear power production, writes Sarah Wild in the Mail and Guardian.  In 300 years, South Africa’s Vaalputs nuclear waste site – a 10 000ha reserve in the dusty Northern Cape – will be opened for unrestricted use. Until then, it needs to be guarded…