The Power of Bacteria (image) Michigan Technological University Caption Maize plants grown in stamp sand inoculated with bacteria, left, were considerably more robust than those grown in stamp sand alone, right. Research led by Michigan Technological University's Ramakrishna Wusirika could lead to new remediation techniques for soils contaminated by copper and other heavy metals. Credit Ramakrishna Wusirika Usage Restrictions None 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.