Laboratory-grown vaginas engineered from patients’ own cells have successfully been implanted into four teenage girls.

Laboratory-grown vaginas engineered from patients’ own cells have successfully been implanted into four teenage girls.

Scientists in the US are attempting to build a human heart with a 3D printer.

STEM CELL researchers reacted with enthusiasm and some reservations to a report that scientists have found stem cells in amniotic fluid, a discovery that would allow them to sidestep the controversy over destroying embryos for research.

For the first time, US scientists have rebuilt a complex human organ, the bladder, using live tissue grown in the lab – a breakthrough that could hold exciting promise for one day regenerating ailing hearts and other organs.