29 junio 2015
In the human body, small wounds are easily treated by the body itself, requiring no further care. For bigger wounds to be healed, the body may need outside assistance. Concrete is like a living body, in that it can self-heal its own small wounds (cracks) as an intrinsic characteristic.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/zL8LCnfEfUA/150629092640.htm
