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 ...

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 ...

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 ...

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 ...

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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 ...