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Continue to ChatWatch a gel embedded with heart cells change color with every beat https://www.primetimes.in/technology/209519/watch-a-gel-embedded-with-heart-cells-change-color-with-every-beat/
Watch a gel embedded with heart cells change color with every beat https://www.primetimes.in/technology/209519/watch-a-gel-embedded-with-heart-cells-change-color-with-every-beat/