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The Download: brainless human clones and the first uterus kept alive outside a body

By MIT Technology Review · 2026-03-30
The Download: brainless human clones and the first uterus kept alive outside a body
Why it matters: R3 Bio's emergence with brainless human clone proposals raises immediate ethical and scientific questions for the biotech industry.
R3 Bio, a previously secretive California startup, has emerged from stealth to reveal its controversial pitch for creating brainless human clones. This development coincides with other significant advancements in bio-engineering, including the successful maintenance of a uterus outside a living body.

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