SOD Blitz Volunteers (image) University of California - Berkeley Share Print E-Mail Caption Two volunteers collect samples in the East Bay during the 2014 SOD Blitz. Credit Photo by Douglas Schmidt, UC Berkeley Usage Restrictions All rights reserved. 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.