@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/bWP5SDQJuS https://t.co/cPJ67qpMy1

@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/bWP5SDQJuS https://t.co/cPJ67qpMy1