Hacker News·3 min read·medium
Sperm Whales blow bubbles to achieve restful, vertical sleep
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✦AI Summary
Researchers from the University of St Andrews have discovered that sperm whales release gas bubbles to regulate their buoyancy while sleeping in a vertical position. This mechanism allows them to remain submerged just below the surface without expending energy to dive deeper.
New research from the University of St Andrews and Université de Neuchâtel, has uncovered the mechanism which allows sperm whales to sleep in a unique vertical position, just under the ocean surface.
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