this post was submitted on 27 Jan 2026
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Might be a stupid question, but could stem cells do that?
You should really look up human brain organoids, how they are created, and what we are doing with them. You can rent one and make it..do..think things. Sometimes they grow eyes.
They don't just randomly sprout eyes, you have to give them the hormone that makes eyes develop to have them start.
The most recent Radiolab episode was on exactly that topic.
https://radiolab.org/podcast/brain-balls