Sandals made of waste tyres. Supplied

Take two: recycling tyres

What should be done with the hundreds of millions of tyres that are discarded each year? Itziar Iraola Arregui presents a few ideas in this article from The Conversation Africa. The number of vehicles is growing worldwide and as a result the number of tyres is increasing too. Hundreds of millions of tyres are discarded each year.…

Cape Citizen Science team leader Joey Hilbert in conversation with some of the learners that was part of the outreach. Photo: Joey Hilbert

Citizen science crowdfunding project pays off

Learners from the Kayamandi community in Stellenbosch recently practiced their skills as citizen scientists when they had the opportunity to hike in the Jonkershoek Nature Reserve. In the process, the 31 learners helped to collect samples for an ongoing research project, and learnt how to isolate the fynbos pathogens that they collected. The learners who…

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New species named after the man who co-wrote the ultimate Cape orchid book

Bill Liltved, the driving force behind what many people call the “opus” of South Africa’s orchid species, has been honoured by having a newly identified white orchid species from the Kogelberg mountains being named after him: Satyrium liltvedianum. The new species is announced in the latest edition of the South African Journal of Botany which…

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[LISTEN] The Science Inside: Radio waves, lost continents and skirt lengths

Want to know more about a cellphone that could charge itself, how to build a radio from scratch or how the SKA radio telescope is to probe the radio waves of distant galaxies? Then listen to this episode of “The Science Inside”, produced by the Wits Radio Academy. Other topics in this show include: * News…

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The dream of electric cars

Time to rev your (electric) engine. Funeka P. Nkosi of the CSIR writes in Science Today about electric cars, and the relevant research being done in South Africa.    Twenty years ago, it looked like the dream of the electric car was dead. Even though the first practical electric car was invented in 1884, these…

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Toxic fungi: what’s in your food?

This article by Theodora Ekwomadu of North-West University about food fungi is not for the squeamish. It first appeared in Science Today. Here goes! In 1960 more than 100,000 turkeys died in the United Kingdom. The mass death – linked to peanut meal, containing chemicals produced by fungi known as mycotoxins – brought the existence of…

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Every drop counts: watching water from space

In this article from Science Today, Keneilwe Hlahane of the University of Cape Town writes about how satellites are used to monitor the water quality in our dams. The water is green, a clear sign that it is polluted. Dense mats of algal blooms float on the surface of the dam, turning the water a dark…