image: Whillans ice stream surface with tents used by field party. This image relates to an article that appeared in the March 2, 2007, issue of the journal Science, published by AAAS. The study, by Dr. Sridhar Anandakrishnan and colleagues of Pennsylvania State University in University Park, Pa., was titled "Discovery of Till Deposition at the Grounding Line of Whillans Ice Stream." view more
Credit: Photo provided by Sridar Anandakrishnan via <i>Science</i>-AAAS.