MESSENGER FROM THE DEPTHS (IMAGE) Columbia Climate School Caption A diamond encapsulating tiny bits of fluid from the deep earth, held here by fine tweezers, was part of a study delving into the age and origins of South African stones. Credit Yaakov Weiss Usage Restrictions Credit must be given 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.