The Russian and Chinese leaders were caught on a hot mic discussing longevity, a field both their countries are investing in.

Chinese leader Xi Jinping and Russian President Vladimir Putin were caught on a hot mic during the state broadcast of a Sept. 3 parade discussing organ transplants and immortality.

BEIJING - When Russian President Vladimir Putin walked shoulder to shoulder with China's President Xi Jinping on Wednesday, a hot mic caught them discussing organ transplants and the possibility that humans could live to 150 years old.