Discovery of 2-million-year-old DNA in Greenland reveals new details about ancient lifeyoutu.be Scientists working in Greenland identified the oldest samples of DNA ever found on earth. By analyzing the two-million year old genetic material, they’ve revealed how northern Greenland was once a wildly different environment than the cold, polar region it is today. Project researcher Eske Willerslev joined William Brangham to discuss the discovery. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: Facebook: http://www.pbs.org/newshour Twitter: http://www.twitter.com/newshour Instagram: http://www.instagram.com/newshour Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe