Underwater wonders
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Sounds from the sea: What underwater noises can tell us about marine life
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The Olive Ridley sighting in Mumbai may not be as rare as imagined
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Watch: A museum under the Atlantic Ocean to generate awareness about loss of ecosystems in oceans
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The four-year treasure hunt for a giant sunfish that had gone unnoticed by researchers for centuries
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Photos: This carbon-sucking Amazon reef is under threat from oil companies
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Cuteness overload: Watch this googly-eyed squid which is already being called a 'cuddlefish'
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How we found world’s deepest fish in the Mariana Trench – and why we must keep exploring