A plastic-like material that "flows" back together when cut or scraped could lead to self-healing bandages. A supramolecular polyurethane created by scientists repairs itself at body temperature and is not toxic to humans, suggesting it could lead to better wound dressings, among other uses.

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A plastic-like material that "flows" back together when cut or scraped could lead to self-healing bandages. A supramolecular polyurethane created by scientists repairs itself at body temperature and is not toxic to humans, suggesting it could lead to better wound dressings, among other uses.