Consortium Flask (image) DOE/Lawrence Berkeley National Laboratory Share Print E-Mail Caption This 50-milliliter flask contains a symbiotic mix of bacteria derived from compost that was maintained for three years. Credit Steve Singer/JBEI Usage Restrictions Editorial use only 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.