Pack those magnets on your next dive

Sharks are 'scared' of magnets
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Magnets could be used to fend off dangerous sharks which are repelled by them, scientists claim.

Tests have found that sharks react violently to the magnets and as a result rapidly turn away from them and swim off.

Researchers at James Cook University in Cairns, Australia, say the response is the result of the acute sensing organs in the sharks known as ampullae of Lorenzini that detects electro-magnetic fields.
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