Sharks could be used to predict the weather following research by a marine biology student.
Lauren Smith, 24, is close to completing her PhD studies into the pressure-sensing abilities of sharks.
If her studies prove the theory, scientists in future could monitor the behaviour of sharks to anticipate severe weather fronts.
Her research took her to the Bahamas and was carried out in the wild on lemon sharks.
Miss Smith, originally from West Bromwich in England, used their near relations, the lesser spotted dogfish, for further research at Aberdeen University's altitude chamber at the National Hyperbaric Centre.
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