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It sounds absurd, but the heart of a blue whale is so big a human could swim through its arteries

It’s hard to picture a creature so immense that a person could stand inside one of its arteries, yet that’s the reality of ...
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Have Blue Whales Stopped Singing? Paying Attention to Their Songs Could Benefit Humans, Too

Research published earlier in 2025 found that whales sing less when food is scarce. Using underwater microphones, or hydrophones, an interdisciplinary team of researchers recorded the songs of blue ...