After years of trial and error, scientists have finally done something incredible: They have successfully grown human stem cells in a pig embryo. Why would anyone do this? Turns out, many ...

they report having grown the first human-pig chimeric embryos. The team, led by Juan Carlos Izpisua Belmonte, began by creating rat-mouse chimeras—a feat first accomplished in 2010, when scientists in ...

hoping that the pigs' kidneys would have human cells. Most recently, experiments by Juan Carlos Izpisua Belmonte and his team ...

Chinese scientists have successfully transplanted a pig’s liver into a human recipient, in a world first. Researchers at the Fourth Military Medical University in Xi’an used a genetically modified ...