Some really crazy events in the realm of science and genetics...
They have now converted an embryonic stem cell into a primordial sperm cell, developed the sperm to maturation, and the fertilized eggs with them. This is a HUGE step as far as embryonic stem cell research is concerned. Like everything else in the field, it can either be a great thing, a horrible thing, or both. Nevertheless, being the reproduction guy that I am (and I mean that in the academic sense guys/gals), I thought some might be interested.
Here is the link!
Take er easy
Scott T.