Spurge Fig 4 (IMAGE) Penn State Caption A CT scan of a fossil infructescence showing fruits and tiny paired seeds inside the fruits. The CT scan picked up density changes in the rock and rendered them into three-dimensional images. Credit Courtesy of Peter Wilf Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.