Scientists unveil research on the deep-diving 'mystery mollusc' : Short Wave This critter lurks in the ocean's midnight zone, has a voluminous hood, is completely see through and is bioluminescent.

Why Deep-Diving Seals Don’t Drown. Story by CaLea Johnson • 2w. M arine mammals can dive for remarkably long periods because their bodies have evolved to adapt to the underwater environment.

With a diving mask, your vision is limited to about 100 degrees, so a good-quality dive light should cover at least half that. Beams between 20 and 75 degrees are excellent as primary lights for ...

To find food in the dark, deep-diving whales, like sperm whales, pygmy sperm whales and goose-beaked whales, send out clicks and buzzes from a vocal cord-like structure near their blowholes. These ...

Deep-diving toothed whales wash up dead with stomachs full of plastic and prey alike. Their built-in sonar likely can’t tell the difference.

While deep-diving whales have been around for a long time, plastic garbage reached their world only in the last decades. “These items are fairly new in their environment,” Savoca says.