![](http://asyamotor.net/wp-content/uploads/2021/03/how-a-top-secret-nuclear-project-became-a-gold-mine-for-data-on-greenlands-ice-sheet.jpg)
Many products featured on this site were editorially chosen. Popular Science may receive financial compensation for products purchased through this site.
Copyright © 2021 Popular Science. A Bonnier Corporation Company. All rights reserved. Reproduction in whole or in part without permission is prohibited.