The freediving champions of the dolphin world

For the first time, researchers have explored the physiological adaptations that enable different populations of the same species of dolphin to vary in diving ability by almost 1000m. The research, published in two complementary ...

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 ...

Fabien Cousteau ends mission at undersea lab (Update)

After 31 days undersea, Cousteau stepped off a boat wearing flip-flops and a beach towel wrapped around his waist, saying he was torn about leaving his underwater home, but he missed his family and friends.

Hydraulic chamber tests fish survival

Australia's native fish could stand a better chance of survival when passing through hydropower turbines in major waterways thanks to an innovative mechanical chamber developed at UNSW, which is nominated for a top engineering ...

Decompression wave caused eruption chain reaction

The 2010 eruption of Iceland's Eyjafjallajökull proceeded through fits and starts. A new analysis by Tarasewicz et al.suggests that a downward propagating decompression wave triggered a cascade of explosive eruptions from ...

'Bends' study shows how mammals make mega-dives

Scientists in California have shed light on a marine mystery: how diving mammals can hunt for food at great depths without getting the "bends," according to a new study.

'Natural causes' at fault for Peru dolphin deaths: officials

Nearly 900 dolphins that washed up along Peru's northern coast since the start of the year died of natural causes, a top official said Tuesday, citing a government report that failed to convince environmental activists here.

page 1 from 2