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Video: US scientists attempt to build a human heart using a 3D printer


An ambitious project to first make a heart, then get it to work in a patient, and it could be years - perhaps decades - before a 3D printed heart would be put in a person. The technology, though, is not all that futuristic. Researchers have already used 3D printers to make splints, valves and even a human ear. Credit: Youtube/University of Louisville

 

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