Diamonds let scientists peek into Earth's depths (image) Carnegie Institution for Science Share Print E-Mail Caption An illustration showing how diamonds can offer researchers a glimpse into the processes occurring inside our planet, including deep-Earth recycling of surface material. Credit Artwork by Katherine Cain, courtesy of the Carnegie Institution for Science. Usage Restrictions With 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.