Gothe and Atwood drill corals (IMAGE) Georgia Institute of Technology Caption Pam Grothe and Alyssa Atwood drill into a 5,000-year-old coral fossil on Kiritimati Island. Credit Georgia Tech / Grothe / Cobb lab Usage Restrictions None 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.