A Channel 4 documentary says DNA from a sofa in Hitler's bunker contains a marker linked to Kallmann syndrome, but experts say it's hard to evaluate the findings. CNN's Max Foster reports. | CNN International

The Kids in the Crowd (Music from the Documentary Soundtrack) is out now! 🤩 🎉 Join us in celebrating every anthem, every show, and every wild night of the last 25 years with this exclusive autographed edition of our first-ever, career-spanning compilation. ❤️ 🤘 Autographed copies are very limited! Grab yours today! | Simple Plan

Documentary filmmaker Ken Burns reveals how his own history has been shaped by the loss of his mother Lyla when Ken was 11 years old. Go to CNN.com/allthereis to join the All There Is community, where you can share your story and watch the full conversation. | CNN