Breakthrough: Scientists build a beating mouse heart with human tissue

In a major scientific first, a team of developmental biologists has built a functional mouse heart from human tissues. The results herald a future where specific patches of heart muscle – or even the whole organ – could be grown for transplantation. » 8/14/13 9:20am 8/14/13 9:20am

Nicely Done: US Supreme Court Slaps Down Challenge to Embryonic Stem…

Thank the gods. Yesterday, the U.S. Supreme Court had the good sense to ignore a case that would have prevented the government from funding embryonic stem cell research. Here's why their decision was a very good idea. » 1/08/13 12:09pm 1/08/13 12:09pm