Some types of concrete can heal themselves

Did you know concrete that heals itself can be produced?

This so-called bioconcrete contains bacteria in the form of spores. When these spores get into contact with water, because water flows in a crack, they become active and produce crystals until the whole crack is closed.

As this causes concrete to last longer, this makes concrete more environmentally friendly.

Learn more: https://medium.com/climate-conscious/how-co2-emissions-can-be-reduced-with-self-healing-concrete-d0ecab049545

Concrete that has healed itself (credit: studiojaskrawo on Shutterstock)