Noticias de Hoy

LONDON (Reuters) – Scientists have found the answer to why female killer whales have the longest menopause of any non-human species – so that they stick around long enough to care for their grown-up sons. In a study published in the journal Science, researchers found that for a male whale over 30, the death of his mother means an almost 14-fold increase in the risk he will also die within the following year. Yet males whose mothers live well beyond their reproductive years are more likely also to live to older age, they found. . . .

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