News tagged with dolphins

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Getting a leg up on whale and dolphin evolution

When the ancestors of living cetaceans—whales, dolphins and porpoises—first dipped their toes into water, a series of evolutionary changes were sparked that ultimately nestled these swimming mammals into ...

Sep 24, 2009
3.9 / 5 (8) 0

Can Whales and Dolphins Adapt to Oily Gulf?

(PhysOrg.com) -- The dead sperm whale found this week in the Gulf of Mexico puts the spotlight on how the BP oil spill will affect this endangered mammal, along with other cetaceans, such as dolphins, that ...

Jun 25, 2010
4.3 / 5 (7) 19 | with audio podcast

Researchers find rare hourglass dolphin

A rare hourglass dolphin underwent a post-mortem on Friday at Massey's Coastal-Marine Pathology Unit at Albany. It is one of only a handful of carcasses of the species ever examined by scientists.

Sep 13, 2010
5 / 5 (6) 0

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 ...

Aug 13, 2014
5 / 5 (6) 3

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.

Jul 18, 2012
4.8 / 5 (6) 6 | with audio podcast

Dolphins' health shed light on human and ocean health

A panel of governmental, academic and non-profit scientists speaking today at the annual meeting of the American Association for the Advancement of Science (AAAS) unveiled research suggesting that diseases ...

Feb 18, 2010
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