Enormous sperm whales have been caught on camera hanging motionless and perfectly vertical just beneath the ocean's surface, and the reason they can hold that position without drifting away turns out ...

Add Yahoo as a preferred source to see more of our stories on Google. Sperm whales earned their name during the 18th century when whalers noticed milky white fluids inside the whales' heads. Although ...

Sperm whale sleeping by releasing gas bubbles to regulate buoyancy - Stéphane Granzotto/PA Wire Sperm whales are able to hang vertically in the water while sleeping by releasing gas bubbles that ...

Blowing bubbles helps sperm whales sleep soundly beneath the waves, reveals new research. It stops them floating to the surface while they’re grabbing a nap, say scientists. While little is known ...

What is a whale's favorite bedtime story? A whale of a tale, of course! Although we had never really thought about how whales sleep, this video, uploaded to YouTube, shows just how the giant aquatic ...

Josh has a degree in Biology from University College London, and specialises in animals, palaeontology, climate, and the environment.View full profile Josh has a degree in Biology from University ...

Off Norway, sleeping sperm whales have a clever way of avoiding rising to the water's surface. During their naps, they release bubbles that help keep them underwater. The discovery gives researchers a ...

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Blowing bubbles helps sperm whales sleep soundly beneath the waves, new research reveals. It stops them from floating to the surface while they're grabbing a nap, say scientists. While little is known ...

Imagine diving into the deep ocean water only to notice several huge pillars hovering ~ 25 m under the surface. These aren’t abandoned torpedoes from a sunken warship; they’re a pod of sleeping sperm ...