Self healing concrete, sounds impossible right? Well, guess what? …Self healing concrete actually exists. Concrete cracks, most will argue that it’s to be expected. No matter how much care is put into reinforcing or mixing concrete, it will eventually cracks. In some situations cracked concrete can lead to collapse. Professor and microbiologist, Henk Jonkers from Delft University of Technology in the Netherlands has come up with a new innovative type of concrete that actually heals its own cracks.