U.S. scientists have 'grown' a beating mouse heart from human stem cells, leading many to hope that human organs could one day be created. The heart - which had been removed from the mouse and ...

Heart transplants have given new life to thousands, but are only an unfulfilled hope to thousands more due to a shortage of donor organs. With the goal of meeting this shortfall, scientists at the ...

A newly beating heart is part-mouse, part-human. For the first time, a mouse heart has been made to pulse again by stripping it of its own cells and rebuilding it with human ones (see video above). To ...