News tagged with dolphins

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Dolphins and whales experience pleasure

Sam Ridgway has spent most of his life learning about dolphins and whales. Over his five-decade career he has asked these cetaceans various questions, including how deep they can dive and how depth affects their hearing. ...

dateAug 13, 2014 in Plants & Animals
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Diving dolphins are exhalation champions

Every air-breathing marine mammal faces a multitude of challenges as it dives beneath the waves: carbon dioxide and nitrogen accumulation in the blood can cause intoxication and decompression sickness, while low internal ...

dateJul 08, 2015 in Plants & Animals
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Coastal dolphins quieter than thought

Dolphins are thought to be able to communicate with each other over vast expanses of ocean, between distances as far as 15 miles apart. Studies of dolphin whistles have suggested that they should carry that far in water, ...

dateNov 05, 2010 in Plants & Animals
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Against the tide: Currents keep dolphins apart

Conservationists from the Wildlife Conservation Society, the American Museum of Natural History, and other conservation and research groups have discovered that groups of dolphins in the western Indian Ocean do not mix freely ...

dateMar 24, 2011 in Ecology
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