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Published online 21 September 2005 | Nature | doi:10.1038/news050919-3

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Male weevils give females the gift of youth

Insects slow down their consorts' biological clocks.

Ever think your spouse is turning you grey before your time? Well things are very different for a beetle being studied by Swedish evolutionary biologists. They have found that some male bean weevils can slow down the ageing process in their mates simply by having sex with them.

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