Sperm Whales blow bubbles to achieve restful, vertical sleep
By hhs · 2026-07-24 · 16 points · 1 comments
https://news.st-andrews.ac.uk/archive/sperm-whales-blow-bubbles-to-achieve-restful-vertical-sleep/
By hhs · 16 points · 1 comments · on Hacker News, read on BetterNews.
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