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Print Me An Ear: 3-D Printing Tackles Human Cartilage

Larry Bonassar shows off an ear  that he and his colleagues at Cornell University built out of living cartilage cells with the help of a 3-D printer. (Cornell University Photography)
Larry Bonassar shows off an ear that he and his colleagues at Cornell University built out of living cartilage cells with the help of a 3-D printer. (Cornell University Photography)

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