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Sharks in for a shocking surprise!


A revolutionary new shark repellent using an electrical field to protect bathers is to be tried off the Cape Peninsula. Humans’ fear of sharks has peaked in recent years, with 30 attacks since 1960 in peninsula waters. Only six were fatal, but five of these took place in the past decade.

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Geremy Cliff, head of research at the KwaZulu-Natal Sharks Board, confirmed in July it had received funding from the KZN provincial government to allow it to pursue research into electrical shark repellent technologies initially developed in the early 1990s. Electrical pulse technologies are designed to exploit the fact that most sharks have highly sensitive electrical receptors in their snouts, known as the Ampullae of Lorenzini. These tiny, gel-filled sacs sense electrical current from their prey at close quarters. “The impact of shark attacks on coastal economies is a long-standing, worldwide phenomenon and not simply one that resulted from the hysteria following the Jaws movie,” said Cliff. “A spate of shark attacks in the Margate area in KZN in December 1957 (infamously remembered as Black December) resulted in economic disaster for the tourism industry.”

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Read the full article at The Independent on Saturday


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