Study of beetles could explain global decline – and also be a warning to humankind
Heatwaves severely damage the fertility of male beetles and consecutive hot spells leave them virtually sterilised, according to research.
Global warming is making heatwaves more common and wildlife is being annihilated, and the study may reveal a way in which these two trends are linked. The scientists behind the findings said there could also be some relevance for humans: the sperm counts of western men have halved in the last 40 years.
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