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Robert Heinlein had a whole universe where this was the case. A group of people had been bred to live as long as possible and hid it from the wider world for fe
by arthurjj 6y ago
Robert Heinlein had a whole universe where this was the case. A group of people had been bred to live as long as possible and hid it from the wider world for fear of being hunted down and used as lab rats. They end up fleeing to space when discovered.