Science : Goats and Soda Science

The Permafrost Tunnel Research Facility, dug in the mid-1960s, allows scientists a three-dimensional look at frozen ground. Kate Ramsayer/NASA hide caption

toggle caption
Kate Ramsayer/NASA

Is There A Ticking Time Bomb Under The Arctic?

  • Download
  • <iframe src="" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript