Long-Corer (image) Woods Hole Oceanographic Institution Share Print E-Mail Caption This is the long-corer system shown aboard the R/V Knorr. The longer the cores, the deeper they go, collecting older sediments that record past conditions and events in the planet's oceans and climate. Credit Emily Estes, University of Delaware Usage Restrictions with proper credit Share Print E-Mail 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.