TEDTalks Science and Medicine

What's hidden under the Greenland ice sheet? | Kristin Poinar

09:02 | Oct 17th, 2017

The Greenland ice sheet is massive, mysterious -- and melting. Using advanced technology, scientists are revealing its secrets for the first time, and what they've found is amazing: hidden under the ice sheet is a vast aquifer that holds a Lake Tahoe...Show More