Courtesy: World Science, June 7, 2009
The secret of long life may lurk within the genetic activity profile of sex cells—such as the sperm and eggs of humans, a paper newly published in the research journal Nature suggests. Sex cells, and the lineage of cells that develop into them, are “immortal” in the sense that once they are used to create a new organism, they don’t die. Instead they bring about the production of all the new creature’s cells, including more sex cells.