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The scientists said the
reproduce because of their shape. Researchers tested
of body shapes. The result was a C-shaped robot. The
of the "C" became the xenobot's
. It gathered small cells in its mouth. These cells became a new, "baby" xenobot. The xenobots are very early technology. However, they could change science,
, the environment and the
we live. They could repair damage to our
, attack micro-
in our oceans, and clean up
spills. Despite the
, some people are worried about robots that can reproduce.
