Growing human organs in the laboratory has moved a step closer with the development of a biodegradable material forming a non-living "scaffold" on which beating heart muscle can be grown from stem cells.
The aim is to make three-dimensional organs from scratch, although in the shorter-term scientists will be happy to be able to seed the scaffolding with stem cells in order to mend broken hearts in situ rather than relying on a transplant operation.
Stem-cell technique may end need for heart donors
Air in the U.S. has gotten cleaner for decades, adding years to people's lives and preventing...
The US supreme court on Monday heard arguments in a case that could threaten Americans’ access...
