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science4h ago
Mini brains, big questions: science is racing ahead of ethics
- Brain organoids are becoming more complex and long-lasting, forming networks that resemble early brain activity.
- Some organoids show electrical activity similar to premature babies, sparking ethical concerns about consciousness.
- Ethical oversight is unclear because organoids fall between human subjects and animals in most rules.
- China has issued organoid guidelines addressing issues like potential consciousness and human-animal mixing.
- Experts call for international oversight and ongoing consent to maintain public trust.
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