In the September/October 2018 Asimov's magazine is a fun, 7-page story titled "The Callisto Stakes." It is told from the perspective of nanites trying to keep their suicidal (or not?) Host alive. If you have access to it, it is worth the read.
Mike Miller, Materials Engineer
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"Everbody's always in favor of saving Hitler's brain, but when you put it in the body of a great white shark, oh, suddenly you've gone too far." -- Professor Farnsworth, Futurama
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"Everbody's always in favor of saving Hitler's brain, but when you put it in the body of a great white shark, oh, suddenly you've gone too far." -- Professor Farnsworth, Futurama