We got ethical stem cells. Or at least we might. According to New Scientist,
In the plant kingdom ... drastic environmental stress can change an ordinary cell into an immature one from which a whole new plant can arise. For example, the presence of a specific hormone has been shown to transform a single adult carrot cell into a new plant. Some adult cells in reptiles and birds are also known to have the ability to do this.
Researchers in Japan wondered if the same thing would happen with mammals, so they tried it with mice. These mice had been specially bred to carry a gene that glows in the presence of pluripotent cells -- the cells which can develop into all different types...READ MORE