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The scientists explained that the bots reproduce because of their
. Researchers used
intelligence (AI) to test billions of body shapes. The
was a C-shaped robot. It was able to find tiny stem cells in a petri dish. It gathered the cells in its
. A few days later, the cells became a new, "
" xenobot. The xenobots are very early technology. However, they could change
, medicine, technology and the way we live. They could carry out tasks inside our body to repair
to organs. They could also help the environment by attacking micro-plastics in our
, or by cleaning up
spills. Despite the possible
, some people are worried about robots that can reproduce.