Nature, Published online: 19 August 2026; doi:10. 1038/s41586-026-10877-x Human brain organoids were developed for over five years in culture to demonstrate that brain cells can continue to mature and record the passage of time, following human-specific endogenous programs, even outside the conte...

Source: [Nature](https://www.nature.com/articles/s41586-026-10877-x)

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