Digital Recreation (IMAGE) Virginia Tech Caption In the background of this digital recreation, ancient microscopic green seaweed is seen living in the ocean 1 billion years ago. In the foreground is the same seaweed in the process of being fossilized far later. Image by Dinghua Yang. Credit Dinghua Yang 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.