Astronaut Scott Kelly's DNA changed 7% in space!

After spending almost a year orbiting our planet aboard the International Space Station, the longest spaceflight by an American astronaut, Kelly returned to Earth to to find out that his DNA doesn't match his identical twin brother anymore. --- Support this podcast: https://anchor.fm/space-news-pod/support Advertising Inquiries: https://redcircle.com/brands Privacy & Opt-Out: https://redcircle.com/privacy