From BBC (with video),
A material that is able to self-repair even when it is sliced in two has been invented by French researchers.
The as-yet-unnamed material - a form of artificial rubber - is made from vegetable oil and a component of urine.
The substance, described in the journal Nature, produces surfaces when cut that retain a strong chemical attraction to each other.
Pieces of the material join together again as if never parted without the need for glue or a special treatment.
[via Boing Boing]
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