I try to track confirmed news about Stem cell research and developments, as opposed to the many unconfirmed claims that appear on the Internet from time to time. This is a very exciting development, and I expect to see more of there developments in the next few years.
BBC NEWS | UK | Heart valve grown from stem cells: "Heart valve grown from stem cells
Entire organs could be grown from stem cells
British scientists have grown part of a human heart from stem cells for the first time.
Heart surgeon Sir Magdi Yacoub, who led the team, said doctors could be using artificially-grown heart components in transplants within three years."