EurekAlert!·1 min read·medium
Sperm whales blow bubbles to achieve restful, vertical sleep
✦AI Summary
Researchers from the University of St Andrews and the Université de Neuchâtel have discovered that sperm whales sleep in a vertical position near the ocean surface. They achieve this by blowing bubbles to maintain buoyancy while resting.
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. Sperm whales are the only whale known to rest ve... [2142 chars]
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