Arctic Circle Vent (image) University of Washington Caption The top three feet of a chimney nearly 40 feet tall are visible as the arm of a remotely operated vehicle reaches in to sample fluids. The vent is part of the northernmost hydrothermal vent field yet seen and sampled. Credit Centre for Geobiology/U. of Bergen Usage Restrictions Photo credit required Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.