A Goodreads user
A Goodreads user asked Lois McMaster Bujold:

Uterine replicators are happening. "Dr. Hanna said he and his colleagues had taken fertilized eggs from the oviducts of female mice just after fertilization — at Day 0 of development — and had grown them in the artificial uterus for 11 days." https://www.nytimes.com/2021/03/17/health/mice-artificial-uterus.html https://www.nature.com/articles/s41586-021-03416-3 ?

Lois McMaster Bujold
Ayup.

I've always maintained that my uterine replicators weren't science fiction, just unrealized engineering. They don't require any counter-factual sciencey like my FTL wormhole jumps.

Ta, L.

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