STAT | Reporting from the frontiers of health and medicine Follow STAT+: Brain organoids, kept alive more than five years, matured like human brains Brain organoids kept alive more than five years continued to develop and mature, and showed molecular and genetic signatures like those of human brains. https://www.statnews.com/2026/08/19/brain-organoids-alive-5-years-neuroscience-research-harvard/ statnews.com