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The Menopause Mystery

Much of the evidence on this website, involves traits that humans and sperm whales share, to the exclusion of all other known animals. In all those cases, that trait’s expression in humans can be associated with our high level of intelligence. It

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How Loud is a Sperm Whale Click?

Blue whales are often mistakenly labelled as Earth’s noisiest animal, yet sperm whales are able to project their loudest sounds with an energy intensity sixty thousand times greater. Blue whale’s loudest sounds are transmitted at 188dB, whereas the highest recorded figure for a

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