Dean Harrison and a group of anglers off the coast of New Zealand, it was a near death experience when a massive dolphin ...

The system, from Dolphin Alarms, consists of three pieces: a wristband that a child wears, an alarm stationed in the pool and an alarm that goes off in one's home should an accident occur.

Also included in the agreement was the design, manufacture, integration and demonstration of a Dolphin keel winch system for deploying, retrieving and docking the bottom imaging sonar. In addition ...

Months later, they then begin to travel back home. The smaller toothed whales, such as dolphins, have a powerful underwater sonar. They orient themselves on their journeys by emitting sound waves ...

Sonar, used by warships to find submarines, is deafening to dolphins and their desperation to escape the noise can result in them surfacing too fast or beaching themselves. The institute also said ...

The Amazon river dolphin uses sonar and its wing-like pectoral fins to navigate the murky waters of the flooded forest. Each time Thomas was in the water with them, he was impressed by their ability ...