From the MIT Technology Review comes this story on how one scientist wants to get around a lack of human embryonic stem cells.
Lack of human eggs has presented an enormous obstacle: eggs are collected via a lengthy and potentially painful and risky procedure that few women are willing to undergo.
Readily available animal eggs could fill that gap. Rather than inserting the DNA of a human cell into a donated human egg, scientists would insert human DNA into a cow or rabbit egg and then collect stem cells from the resulting embryos. The DNA of these cells would be overwhelmingly human, with a tiny percentage of animal DNA from the egg.
Anime and manga fans are eagerly awaiting actual cat girls.