News tagged with dolphins

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Dolphins sponge up culture: study

Bottlenose dolphins that have learnt to use sea sponges as hunting tools form cliques with others that do the same -- the first evidence of animal grouping based on mutual interest, a study said Tuesday.

dateJul 31, 2012 in Plants & Animals
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Do dolphins use nonlinear mathematics?

Research from the University of Southampton, which examines how dolphins might process their sonar signals, could provide a new system for man-made sonar to detect targets, such as sea mines, in bubbly water.

dateJul 18, 2012 in Plants & Animals
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Autonomous robot maps ship hulls for mines

For years, the U.S. Navy has employed human divers, equipped with sonar cameras, to search for underwater mines attached to ship hulls. The Navy has also trained dolphins and sea lions to search for bombs ...

dateJul 17, 2012 in Robotics
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Navy study: Sonar, blasts might hurt more sea life

(AP) -- The U.S. Navy may hurt more dolphins and whales by using sonar and explosives in Hawaii and California under a more thorough analysis that reflects new research and covers naval activities in a wider ...

dateMay 11, 2012 in Ecology
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