Health & Safety Marking 50 Years Since The First Adult Heart Transplant In The U.S. 11:07am January 06, 2018 Health Medical Treatments History Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2018 NPR. To see more, visit http://www.npr.org/. 300x250 Ad More Weekend Edition Saturday World News Chileans weigh a new constitution by Scott Simon Sports Saturday sports: Serena Williams' dramatic U.S. Open by Tom Goldman 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate