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Paragraph 1

Scientists say that a new of robot can reproduce - it can create robots. This is an example of science fiction becoming science . The scientists, from the Universities of Vermont, Tufts and Harvard, created the world's first "" robots. They are called "xenobots". Scientists created them in 2020 from the stem of an African frog. Its scientific name - "xenopus laevis" - gave the xenobot its . The xenobots are less than a millimetre wide. They can move, work together in and self-heal. Although they are not what we imagine robots to be, scientists say they are robots. They are a machine-animal . The scientists say xenobots are "an entirely new life-".

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