Discovery of 2-million-year-old DNA in Greenland reveals new details about ancient life
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. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders