image: A Greenland shark slowly swimming away from the zodiac, returning to the deep and cold waters of the Uummannaq Fjord in northwestern Greenland. The sharks were part of a tag-andrelease program in Norway and Greenland. This material relates to a paper that appeared in the Aug. 12, 2016, issue of Science, published by AAAS. The paper, by J. Nielsen at University of Copenhagen in Helsingør, Denmark, and colleagues was titled, "Eye lens radiocarbon reveals centuries of longevity in the Greenland shark (Somniosus microcephalus)." view more
Credit: Julius Nielsen