Here’s another fascinating look at Bioconcrete, a self-healing concrete that uses bacteria to fix itself. According to researcher Henk Jonkers, “the incoming water activates the bacterial spores, causing them to convert the feed into limestone, which seals the crack.” Continue reading for a TED video and more information.

ThisBigCity reports that “while this bacteria-infused cement is not alone in the world of self-healing concrete, Jonkers and Schlangen’s concrete has succeeded in healing cracks 10 times longer than other methods.