A new stem cell technique could regrow organs that the body will not reject and is an important step towards a cure for diseases such as Alzheimer's.
Organ donors and animal testing could soon be a thing of the past after scientists managed to "print" 3D objects using human embryonic stem cells.
Blood donated from healthy babies' umbilical cords is being used to treat diseases and it has also helped scientists' further stem cell research.
Scientists have entered a new path for regenerative medicine by altering age-worn cells in people over 90 into rejuvenated stem cells.
Some wealthy Thais are using a medical bank that saves stem cells from a baby's umbilical cord in hopes of providing a cure to major illnesses.
Barack Obama, who opposes limits on federal funding of stem cell research, will sign an order related to the issue on Monday, an official said.