Drilling Coral Cores (image) University of New South Wales Share Print E-Mail Caption Researchers dive down to corals to extract coral cores that will give us information about Earth's past climate. Credit Picture: Jason Turl Usage Restrictions Copyrighted: Only to be used with this story. 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.