Are sharks being attacked by killer whales off Cape Town's coast?: Morne Hardenberg/Shark ExplorersLarge, predatory sharks occupy the top of ocean food chains, where they play important roles in maintaining diverse and healthy ecosystems. The loss of these predators can therefore have significant impacts on ecosystems. For a long time broadnose … [Read more...] about Are sharks being attacked by killer whales off Cape Town’s coast? | The Conversation
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Is South Africa on the cusp of a major shift in energy policy? | The Conversation
Is South Africa on the cusp of a major shift in energy policy?: Can South Africa keep the lights on? flickr/ Paul SaadSouth Africans go to the polls this year. And for the first time the country’s energy future is becoming a significant subject of contestation. This is because the public is now much more aware of the ongoing crisis at the national electricity utility Eskom … [Read more...] about Is South Africa on the cusp of a major shift in energy policy? | The Conversation
The story of an alliance between two poets — one Cuban, one South African | The Conversation
The story of an alliance between two poets -- one Cuban, one South African: Keorapetse Kgositsile Oupa Nkosi/Mail & GuardianIt’s a little more than a year since the death of Keorapetse Kgositsile, South Africa’s first post-apartheid poet laureate. Kgositsile, born in Johannesburg in 1938, became a prominent and vocal activist for the African National Congress (ANC). In … [Read more...] about The story of an alliance between two poets — one Cuban, one South African | The Conversation
A South African case study: how to support young job hunters | The Conversation
A South African case study: how to support young job hunters: Soweto in South Africa. Apartheid's spacial planning still affects people's lives. Flickr/John KarwoskiYoung South Africans spend on average R938 (US$ 85) a month looking for work. This astronomical cost includes transport at R558 ($ 41) and an additional R380 ($ 28) for internet access, printing, … [Read more...] about A South African case study: how to support young job hunters | The Conversation
New research proves the long-held theory that lasers can create fractals | The Conversation
New research proves the long-held theory that lasers can create fractals: A cross section of a fractal pattern, created by a laser in the Wits Structured Light Laboratory. Wits UniversityWe all appreciate the beauty of Nature, whether it be cloud patterns, mountain ranges or coastlines. These structures have complex shapes that at first appearance are hard to quantify: how … [Read more...] about New research proves the long-held theory that lasers can create fractals | The Conversation
