November 29, 2012
The jellyfish can transform itself back to a polyp, the organism’s earliest stage of life, author Nathaniel Rich writes in The New York Times.
During rejuvenation, it undergoes cellular transdifferentiation, an unusual process by which one type of cell is converted into another — a skin cell into a nerve cell, for instance. (The same process occurs in human stem cells.)
It is possible to imagine a… read more