Size comparison of a modern blue whale (Balaenoptera musculus) and the extinct Perucetus colossus, known from a fossil discovered in Peru. Researchers initially estimated the mass of Perucetus as ...
Factinate on MSN
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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