image: This image shows a tundra covered, ancient, stable landscape on the North Slope of Alaska where the discussed sample was collected. This image relates to a paper that appeared in 17 April, 2014, issue of Science Express, published by AAAS. The paper, by Paul R. Bierman at the University of Vermont in Burlington, Vt., and colleagues was titled, "Preservation of a Preglacial Landscape Under the Center of the Greenland Ice Sheet." view more
Credit: [Credit: Benjamin Crosby, Idaho State University]