Printing a human kidney

Surgeon Anthony Atala demonstrates an early-stage experiment that could someday solve the organ-donor problem: a 3D printer that uses living cells to output a transplantable kidney. Using similar technology, Dr. Atala's young patient Luke Massella received an engineered bladder 10 years ago; we meet him onstage. Talk recorded 3 March 2011.

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[Our lab uses] a desktop inkjet printer, but instead of using ink, we’re using cells.