News tagged with dolphins

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Australia imposes two-year ban on supertrawlers

Australia banned supertrawlers fishing in its southern waters for two years on Monday, saying there was uncertainty about the impact of such large vessels on species such as dolphins and seals.

dateNov 19, 2012 in Ecology
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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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