Chris Reinhard and Noah Planavsky, University of California - Riverside (image) University of California - Riverside Share Print E-Mail Caption Researchers Chris Reinhard (front) and Noah Planavsky dig into a shale exposure in north China. Credit Chu Research Group, Institute of Geology and Geophysics, Chinese Academy of Sciences. Usage Restrictions None 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.