Researchers have developed an electronic device that you can attach to your surfboard or wear while swimming to help deter sharks. The aim is to harmlessly mess with the animals’ electroreceptive system, and studies so far have shown that they can prevent more than 90 percent of shark encounters.
Before you all rush off to buy one, let’s get one thing straight: shark attacks are incredibly rare, with on average just 75 being reported worldwide every year. That means you have on average a roughly one in 11.5 million chance of being attacked by a shark (and if you rarely swim more than 25 metres out from the beach, it’s even lower than that) — which is far less than your risk of dying from home repairs or, say, a bicycle-related injury.
But despite all of us very sensible people knowing that we’re probably not going to be attacked by a shark in our lifetimes, we can’t help but be terrified by the idea of it. Which is why scientists have been working for decades on humane ways to repel the animals.
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