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Self-Healing Plastic Skin
An anonymous reader writes "Scientists have developed a form of plastic skin that can heal itself when damaged. The material relies on an underlying network of vessels — similar to blood capillaries — that carry a healing agent to areas on the material's surface that sustain damage. Unlike previous self-healing systems that relied on capsules of agent buried in the polymer and which became depleted after one use, the new system can respond to damage at the same point many times over."
It's not a replacement for biological skin. According to the article it has applications in, eg, aeronautical applications where maintaining a seal is critical. You wouldn't consider an advance in paint or similar coatings to be immediately applicable to building a super body so you shouldn't be getting too excited by the use of the term "skin".