Scientists Just Grew Human Heart Tissue That Beats With Total Autonomy

Coming fresh on the heels of the news that scientists are successfully 3D printing live, working, mini human kidneys, a new report in Nature is giving another burst of hope to the future of organ transplants. For the very first time, a research team has been able to grow human heart tissue that beats totally… » 8/13/13 3:01pm 8/13/13 3:01pm