Two months after receiving a gene-edited pig heart, David Bennett Sr. passed away at the age of 57 years. 

A U.S. man with terminal heart disease was implanted with a genetically modified pig heart in a first-of-its-kind surgery, and three days later the patient is doing well, his doctors reported on January 10.

Surgeons from NYU Langone Health hit a major milestone in transplantation science after successfully attaching a pig’s kidney to a human patient and watching it work for several hours. 

Yale University scientists succeeded in restoring basic cellular activity in pigs’ brains hours after their deaths in a finding that may one day lead to advances in treating human stroke and brain injuries, researchers reported.