Boffinesses have created tiny testicles in a lab – sparking fears it could make men redundant in the future.

Dr Nitzan Gonen, an Israeli scientist, has produced the genitals from cells extracted from mice. But she has said she hopes to be able to produce human versions within five years that could produce sperm.

Dr Gonen, who heads the Sex Determination Laboratory at Bar-Ilan in Israel, said her goal is not to make men redundant in terms of reproduction and just wants to help the global crisis in male fertility.

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Now if they could help guys grow a bigger dick, we’d care a lot more