http://www.cardiff.ac.uk/news/articles/concrete-which-can-heal-its-own-cracks-11763.html

Innovative and highly valuable research saving money and the planet – well worth reading and sharing this research from Cardiff University – thanks to Arron for highlighting this.

Below you hear the scientist Diane Gardner talking about this innovation.

http://www.thenakedscientists.com/HTML/podcasts/specials/show/20130911-2/

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