Hey, I hope Thanksgiving break is treating you all well. I just saw this article in the New York TImes. Two teams of scientists from Kyoto University and the University of Wisconsin Wisconsin have turned skin cells into embryonic stem cells without making or destroying an embryo, which could ease ethical concerns. They did this by adding four regulator genes which reprogrammed the skin cells by basically blanking them out (turning off aspects specialized to skin cells).
But the really interesting part is that they used retroviruses to randomly insert genes into the cells' chromosomes. For more information,