Sounds like Flux by Stephen Baxter: microscopic humans engineered to live in the mantle of a star, though their cultural level has deteriorated to something rather Renaissance-ish. Fun read - good characters, good adventure, ok science, not terribly deep.
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Sounds like Flux by Stephen Baxter: microscopic humans engineered to live in the mantle of a star, though their cultural level has deteriorated to something rather Renaissance-ish. Fun read - good characters, good adventure, ok science, not terribly deep.