Scientists in Japan have found a way to attach living skin to robot faces, giving them more realistic smiles and other facial expressions.
The breakthrough came from copying tissue structures in people, according to the team at Tokyo University.
The artificial skin was made in the lab using living cells.
Not only is it soft like real skin, but it can repair itself if cut.
While the prototype doesn't look entirely human yet, the team say it paves the way to making convincingly realistic, moving humanoids with self-healing skin.
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