Ice (IMAGE) Woods Hole Oceanographic Institution Caption US Coast Guard rescue swimmers and polar bear sentinels from the USCGC Healy stand by as scientists measure sea ice properties during NASA's 2011 ICESCAPE cruise. Samples of sea ice and the underlying seawater were taken aboard the USCGC Healy, where WHOI biological oceanographer Sam Laney and MIT/WHOI Joint Program student Emily Brownlee used a seagoing Imaging FlowCytobot to determine what species of algae live in and below Arctic sea ice. Credit Photo by Sam Laney, Woods Hole Oceanographic Institution Usage Restrictions for use only in an article featuring the related research License Licensed content 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.