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Scientists Use 3-D Printers to Make Body Parts
NewsprintersScientists

Scientists Use 3-D Printers to Make Body Parts

To print an ear, a bioprinter simultaneously builds a polymer scaffold, like the one shown here, and covers it in cells that form cartilage. Photograph by REBECCA HALE, NGM STAFF. EAR SCAFFOLD PROVIDED BY WAKE FOREST INSTITUTE FOR REGENERATIVE MEDICINE This story appears in the March 2018 issue of National Geographic magazine. What if you…