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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-
".
