Researchers Create Artificial Human Sperm, Eggs Using Human Embryonic Stem Cells, Skin Cells.

Scientists say they have discovered a key factor in the lab formation of human primordial germ cells -- the precursors to egg and sperm -- and that it differs significantly from experiments involving rodent cells. lRelated Invasive species get by with a little help from their alien friends Science Now Invasive species get by with a little help from their alien friends The research, according to study authors, suggests that "mechanisms of early cell fate decisions in mice cannot be safely or wholly extrapolated to specification events during early human development." http://www.latimes.com/science/sciencenow/la-sci-sn-primordial-germ-cells-20141224-story.html