Researcher Abir Al- Tabbaa and her colleagues at Cambridge University have created microcapsules that act like scar tissues in human bodies. These capsules will be mixed into cement and can ‘heal’ the cracks that appear in the concrete structure. Other research teams at Bath and Cardiff are also working on similar means of producing ‘smart concrete’ that can revolutionize the cement industry in the future.

See more here: http://foreignpolicy.com/2015/05/20/innovations-are-potholes-a-thing-of-the-past-innovations/