The Download: autonomous narco submarines, and virtue signaling chatbots

Daily tech roundup highlights uncrewed narco-submarines, calls for LLM moral scrutiny, climate liability shifts, data-center power moves, plus features on intracellular crowding, sleep-duration variability, and an NIH-backed AI concept to help surrogate end-of-life decisions.
Why it mattersNIH-backed AI surrogate tools for end-of-life decisions demand protocolized consent safeguards before clinical deployment.