Edition October 31, 2026

Claude selected a gene therapy and performed surgery on a mouse

The reported experiment kept a veterinarian in control of every irreversible step and provided a physical emergency stop.

Treatment selection, choice of the brain target and delivery to the animal were assigned to the agent. The agent refused to continue after detecting that its proposed position exceeded the device's movement limits. The researcher eventually repaired the code manually rather than persuading the agent to proceed. The researcher reported a good recovery, but a technical report is still expected and the findings have not undergone peer review.

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