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3.6yr
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Rat testicle cells make sperm after being frozen for 23 years | The findings suggest that children who have testicle tissue frozen before cancer treatment may be able to have the tissue reimplanted...

https://www.newscientist.com/article/2319298-rat-testicle-cells-make-sperm-after-being-frozen-for-23-years/

cross-posted from: https://lemmy.ml/post/265520

...so they can one day have their own biological children through in vitro fertilisation (IVF)

sj_zero - 3.6yr

I'm imagining some guy who has every year who has been paid by the government for the past 23 years to take out another frozen rat testicle cell, see if it produces sperm, and tick off a checkbox on a really old piece of graph paper.

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