CNN (June 25) -- The field of self-healing is teeming with possibilities. From Hendrik Marius Jonkers' concept for regenerating concrete, to Illinois' plastic 'blood clots,' and airplane wings that repair themselves, materials are being given a second chance.
Related story: BBC News (June 29) -- Scientists from the University of Illinois have developed "self-healing" coatings for metals and pipelines. The researchers say the coatings contain micro-capsules which release materials to repair metals when they are damaged or corroded. Also: Financial Times (subscription required; June 29).