How It Works - UK (2020-05)

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Kevin Machin

Q A blue whale’s brain is around five-times bigger than a

human’s. However, a blue whale’s brain only accounts for

about 0.007 per cent of its total body weight. Human

brains account for 0.02 per cent of their total body mass,

making them proportionally 286-times larger than a blue

whale’s, and have many more complex folds and neural

pathways than a simple blue whale brain. AG

Why aren’t blue

whales more

intelligent than

humans if their

brains are so big?