@CNN: Scientists have grown new ears for five children born with a defect in one ear called microtia by using a combination of 3-D printing and cultured cells https://t.co/1SG2VoqSy9 https://t.co/GCrgO7sP4K

@CNN: Scientists have grown new ears for five children born with a defect in one ear called microtia by using a combination of 3-D printing and cultured cells https://t.co/1SG2VoqSy9 https://t.co/GCrgO7sP4K