Science! A team of bioengineers and physicians over at Cornell University recently detailed their work to 3D print lifelike ears that may be used to treat birth defects like microtia and assist those who have lost or damaged an ear due to an accident or cancer. The product, which is, "practically identical to the human ear," according to the school, was created using 3D printing and gels made from living cells -- collagen was gathered from rat tails and cartilage cells were taken from cow's ears. The whole process is quite quick, according to associate professor
